??????????????????

????????????????????(?????????????)????????????1510mg?15mg13???B12?10.51.5mg??1.54.5mg????????11mg11

?
?

?????????B12???????1885?(Addison)??????1972?(Biermer)????
??   2010-05-11 10:23 ??????????
???   2010-05-11 19:02 (?)?? ???????????????????? ()???? ??????????????????????????????
1.????????????????????????????????????20??50?...

?????????????????????????  ??????????????????
??

????????????????????????????????????????????????????????o^??????B12????B12???B12??????B12????????????????????????? ?B12???????
www.gm199.com

???,?????,?,??????,?,?
????
??

???????????????????????DNA???????????????DNA??????????????????????????
???????????????????Wright???????????????????????????????????????J?????????????????
?????????????????B12?????N????????????????????????????
?????????????????????????????????n?????????