1khan. Z A, Tripathi R, Mishra B, eta/. Methotrexate:Adetailed review on drug delive~ and clinical aspects [J]. Expert opinion on drug delivery, 2012,9(2 ) : 151-169.
2Roberts SC,Avalos LA, Sinkford D, et ol .Alcohol,tobacco and drug use as reasons for abortion[J]. Alcohol and alcoholism.2012,47 ( 6 ) : 640-648.
3Enriquen J R,Holper E M Reponse[J].Chest,2012, 141(3):829.
4Kjetland E F, Leutscher P D, Ndhlovu PD, et al, A review of female genital ~histomiasis [J]. Trendsln arasitology,2012,28 (2):58-65.