4Li H, Liu B L, Gao L Z, et al. Studies on bullfrog skin col- lagen. Food chemistry, 2004,84 (1) : 65-69.
5Toblli J E,Cao G,Oliveri L,et al.Effects of iron deficiency anemia and its treatment with iron polymaltose complex in pregnant rats,their fetuses and placentas:oxidative stress markers and pregnancy outcome [J].Placenta,2012,33(2):81-87.
6Benoist B D,Mclean E,Egll I,et al.Worldwide prevalence of anaemia 1993-2005:WHO global database on anaemia [J].World Health Organization,2008,2(3):97-100.
7Liu M,Tan H,Zhang X,et al.Hematopoietic effects and mechanisms of Fufang E' jiao Jiang on radiotherapy and chemotherapy-induced myelosuppressed mice [J].Journal of Ethnopharmacology,2014,152(3):575-584.
8YANG Xia.Study on the antianemia activity of gelatin from walleye pollock skin and tilapia skin [D].Qingdao:Ocean University of China,2013.
9Wang S,Hou H,Hou J,et al.Characterization of acid-soluble collagen from bone of pacific cod (Gadus macrocephalus) [J].Journal of Aquatic Food Product Technology,2013,22(4):407-420.
10WANG Jing-chen,WU Cheng-hui.The comparison of three methods of reticulocyte count [J].Jilin Medical Journal,2012,33(2):260-261.