Zheng, F., & He, P. Analysis of Differences in the Serum Levels of Various Vitamins During Pregnancy: Effects of Gestational Stage and Age. IMR Press.
Chicago Style (17th ed.) CitationZheng, Fangyuan, and Pei He. Analysis of Differences in the Serum Levels of Various Vitamins During Pregnancy: Effects of Gestational Stage and Age. IMR Press.
MLA (9th ed.) CitationZheng, Fangyuan, and Pei He. Analysis of Differences in the Serum Levels of Various Vitamins During Pregnancy: Effects of Gestational Stage and Age. IMR Press.
Warning: These citations may not always be 100% accurate.