referat acne

c

c

c 
c   c c c c c c c c c c c c c c c

c c c

  c
cc c c c c  c c !"#$#$cc

%c &c '%&(c '))c c c )
!
c) )c *c!
+)c) c)
*c  c , c -c   c.c/c
!
*,
cc c c c c c

c
c  c c c
 c  cc c   c  c c  c c c  c c   c  c c c  c     c c  c !" c    #$%cc c c
!
*  c þ c  c!ccc  c c cc cc  c  c  c  #$&c' c c" c "cc!cc  ccc c "cc c #c()*c "ccc++,$)c - c  c c c  c "ccc c "c./0,0)*1 2c  c "cc cc+&,+/c cc! c cc+%, +0c cc c c ,c cc! c c ccc$), cc 'cc c" c " cc "cc c c  c$2cþ c" !c  c c "c+)cc c ccc   c  c! c 3c  c " !cc c c c"c c!c c  c  c cc+$ c c -c
  c c!

 c c  c c  c  c  c   c c  c   c   c  c cc4c + c '  c c   c c   c þ  c c  c  c  c    c  c  c  "c c   c c  c c  c  c    #$&2c # c 'c c c  c c   c   c c  c c   c  c #c $ c -   ccc c c  c " c c c cc  c c   c c c  cc c  #c & c '   c "c c  c c .c r

     r


   

   1c c   cc c c  #$&2c 2 c - " c  c  c  c   c   
 c  c    c  #c c c

c % c '   c c  c    c  c   c  c
-5c  c  c "cc  cc  c  "c   c5 c  c    c   c3c  "c  cc!"   c cþ  "c   c   c    c  c c  c  c c  , c  c  c  c   "c  c  c  c   c  c  c   c    c c c  +#$&2c / c - " c  c c  c c  c   c   "c   c c  c   c c c   c c  "c #c ( c 6c  c 4c c c c   c 7c  c  c c   c c  c   c c c   %c 0 c - " c  c  c c ' c  c  c c  c r  c c   c   c   cr  c c 8c c c c c c  c  c  c c  c  c  c  c c  c    c r c "c    c c  c . ,+c ,(c -6,91c  c  c  c  c c c  c  c 8cc c    c c  c   c  c   c   c  c c "  c   +#c c+c' c  cc/c c

c c c c c c c c c c c c c c

c

c c
0 c)  c c )"1c $2"34c c

- c   c  c 3c c c c  c c  c   c

 c  c c c  c  c     c  c  c  , c    c c c c   c  "c    c c  c  c  c c   c cc c cc c   c:c ccc  c c   c  cc  c   +#c )"1c$2"34c þ c c  "c   c c  c  c c c  c c   c    c  c  c c  ! c c c    c  c    c  c  c c c  c  c . 
 

  
 
1 c

  c c  ! c c c   c  cc   cc    c  c    c c c cc c  c c c c cc   cc c  +#$&2 c c c c c c c c c c c

c

c cccccccccccccccccccccccccccccc#c/ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc$/c cccccccccccccccccccccccccccþ c5ccccccccccccccccccccccccccccccccccccccccccccccccccccccccþ c'c c c c c c

c /c   c h c6þ cc c3cc c  #c + c   c4cc ,c  c cc  cc+c  c ,c c cc  cc  c c  c ,c c c  cc+c  c cccccc# ccc

 c4c c

,c c cc  cc+c  c

c

,c  c cc  cc cc+c  c

c

,c  c c  cc+c  c

c

,c c c  cc cc+c  c

cccccc$ ccc; c4c c

,c c cc  cc cc+c  c

c

,c c c  cc+cc c  c

c c ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc c c c c c

c cccccccccccccccccccccccccccc&c$cccccccccccccccccccccccccccc2$cccccccccccccccccccccccccccc%$c

c

ccccccccccccccccccccccccc  c  ccccccccccccccccccccccc  c

 cccccccccccccccccccccccc  c; c c
 4c cc c<2c  c2,+)c c=c+)c c c

ccc-c  cc c cc cc

c

ccc;  cc c   cc

c c c c

c 0"c5"cc,"%&4c+$&2(c þ c  c  c  c c    c  c  c   c  c  c   c    c c  c cc c c "c  cc cc  c  c   cc   c c c

 c "c  c cc   c  cc c " ! c + c þ c c.! c 1c c c c c c c c

c c c

c

þ c c c   c cc c c cc!c  cccc   c c c.c! c 1 cþ ccc c c cc  c ccc c cc  "  cc c # c þ c- c.c 1c c c c c c c c c

c c

c

þ ccc cc  cc,c cc c  c c  c c   c   cc c  c  c! ccc c c c

c þ c  c c c c   c    c  c þ c c c  c  c " c!c cc cc c c cc c  cc c 0"c5"c,"%&c4c+$&2(c  c c  c , cc  cc c  cc  c c  c c  c c   c  c c     c  c   c  c  c c c  c + c 'c c c c c c c c

c

c

c

c 'ccccc  cc  c  c

ccc  "c c,c   c "c   cc # c 'c c c c c c c c

c c

c ;  c c    c c c  c  c c  c  c  c " c  c c c  c c5c c c c c8cc cc c c c

c $ c c c c c c c c

c

c þ c  c cc  ccc   c   c  c   c c  c ccc  cc c & c þc c c c c c c c

c c

þ , c c  c  c  c  c c    c  c  c  c c  c  cc þc c  c c   c  4c$%c +c

 c c   c c  cc

#c

 cc   c  c cc

$c

 cc   c  c c c

&c

 c c   c  c c c c c  c c

c

c 2c

 c c ; ccc

c þc;  c'  4%c + c  cc # c  c  c $ c  c  c & c  c c 2 c  cc % c  c" c / c  c c ( c  c c 0 c  cc c  c    c c

: c   c c c  c  c    c  c  c

   c  c  c   c  c c . c  1 c

c  c  c  c c  c c c   c  c c c  c  c c c  c"  c c ! c c '   c c    c  c  c c  c   c   c  c c cc c c    cc ccc  c'cc  c c   c  c   c "  c c  c c c  c  c  c  c"  cc c  c c  #c '   c c  c "c  c  c   c   c c c c   c c  cc  cc  c '   c  c ccc  cccccc c  #%c c c    c,  cc + c c  c  c   c  c  c c  c  c 5c  c  c  c   c   
-5c  c   c þ c

c c

c  c cc c  c c c ccc c c  c:c c c cc "cc c #%c #c

 c 3 c  c  c c    c  c  c  c  c c c c cc  c c  cc c c8cc c   c  #c

$ c  c  c c   c cc cc  c "c  c  c     c  c  , c  c  c   "c    c -c  c c cc c  c #%c & c : c  c c  c  "c  c c ! c   c  "c  c c

 cc cc cc c c #c 2 c 6 c; c  cc  c c c c%c c ·c !
 ) c '   c c3c cc c  c " c cc. 3 1c c c c   c" !c c "c.1 cþ cc  cc c   c  c!c   c c "cc c cc.1c c c   cccc c.c c  1c  c c   c .  c c 1c c , ccc c c   +#$&2%c c

c !

c(c + c h  c  " c    c c  c  c   c c  c   c c  c c c cc  cc cc   c  3  c þ  c  c ! cc c   c  ccc c  c"c c c  c  cc  c c3 c # c h  c " cc cc $ c h   c c ccc  c  c  c cc c c!
 ,c :c c  c$cc  c   ccc  c c c c  c c

c c

c '  c-+#$&2%c '  c c  c  c   c    c  c   c    c c   c   c  c>cc c4cc + c ; c c cc  cc.

 1c c4cc

,c c.c&,(*c1cc ,c c  c.+,2*1c ,c ccc.#,2*1c ,c  c 8c.#2,+)*1c ' c  8c   c c  c   c  c  c c   "c  c  c c c c  c c-  c  cc  cc# 2*c$*c&*c 2*c%*c(*c c+)*c c c cc4c   c c c  c ,c c 3 c c .))#2,)+*1c h  c c  c c  c  c  c c  c   "c   c c   c   c  c     c  , c  c   c'   ccc  c cccc  cc cccc  cccccc cc   c c c    c   3 c  c  c  c  c 4c    c     c   3 c  c  c    &cc ,c c8  c.+2,#)*1c ch  ccc c  c c   c   c   c  c  c  c  c   c c   c  c  c   c    c ,c  c   c c c c c . 5 1c  c c c .$,(*1 c  c  c c  c c  c   c c   c  ,c c   c   c   c  c   c #c

cc cc  c"ccc c c   c c  c c3 cc  c.+*1c  c.+*1 c   cc.+*1 c

$c

c    c  c c c  c   c   c c   c .c 5 c+,#2*1cc  c  c cc.c-    c +)c71cc c c c

& c  c c cc+)*c c c  c"c  c c c

c c '  c  +#$&2%c '  c c c" c c  c3c"c cc c c "c   c  c  c   c c  c  c   c     c  c  cc c c4c +c

c  c  c 4c   c .c #2)c ,c +c 7c 1c  c .&?#2)c 71c : cc.c2)c71c c.$?+))c71cc

# c >c  c  c   c c   c  c  c  c  c  c  c  c c   "c   c  c  c .2)c 7c  c #+c c c  1cc c  c   c c.#c71 c'  c c" c  c   c ! c  !c  c 3c   c  c c   c  c  c  c þ c c  c c  c   c c   c  c   "c  c  c    c ./2c 71c c    c .)#2,)2c 71c $ c  c c  c   c  c  c c   c  c  c   c .2) )))c , +2) )))c 71c c " c   c  c  c    c    c .)2,+c 7;;c71c  c 3 c  c c cc c c  c c  c c c  c  c c  c   c   c  c ;  "c   c c  c c  c  c   c   c c r   c  c 4 c .0)*1c ? c ./(*1c c   ./)*1c c .&%*1c  " 3c .&)*1c    c c 7c    c   ccc 3$c & c >c c c c c  c c c.%))c71 c.#?+))c 71c cc.#?#))c71 c c ; cþ#c -  c  c c  , c   c  c  c   c "  c c c  c 3c   c  c  c  c   c   c "  c c  c  c  c  c@ c  c c  cc  c  c c  c c"  cc c " -  c c  c c3 c  c

c c

c + c ; c  c  c  c   c c "  c c  c   "c c   c c cc"  ccc c c # c ; c c  c c  c  c  c   c    c  c c c Ac  c   c  c c  c c    c    c $ c ; c c   c c c  c c  c  c   c "  c c  c  " c & c ; c c  cc
>#c cc#cc c   c   c   c 2 c : c c  c"  ccc c cc c c c c c c!    c  c  c  c  c  c 3c c  c  c   c  c c $),&)c  c c @ c  "c  c 3c  c  c c c c  c c  c cc c!c ccc #$c c c c c c c c c c c c c c c c c c

c : 6- c' - þ c c +c

 c c þ  +002 c h c c : c -  c 2c  c  !c Bc4c c;! c
 +,%c

# c :"   c#))/ cà r          @c4c;c ' c6þ c#&2,#&0c $ c 6 c @ @ c #)+) c     c
 c @ c #+(c 

c  c c h  c @ c

3 c

c

c

477   70$7 7 7   c & c c6cC  c c#))# c     c
 c c$+2c

c c;h@c@ c 3c$#2c3 cccc477!!!     7# c 2 c     c  c 'c

c c 
       r    c &c

 c#))#cc % c   #))&  

    r    !"c@c4c
+/(,+/0c

/ c 477    7!7 7 7)/D$ c ( c 477!!!  7 ,, c c c

c c