Churchill, D., Nair, M., Stanworth, S., & Knight, M. (2019). The change in haemoglobin concentration between the first and third trimesters of pregnancy: A population study. BioMed Central.
Chicago-referens (17:e uppl.)Churchill, D., M. Nair, S. Stanworth, och M. Knight. The Change in Haemoglobin Concentration Between the First and Third Trimesters of Pregnancy: A Population Study. BioMed Central, 2019.
MLA-referens (9:e uppl.)Churchill, D., et al. The Change in Haemoglobin Concentration Between the First and Third Trimesters of Pregnancy: A Population Study. BioMed Central, 2019.
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