APA Citation

Johnson, M., Riddle, A., Grudzinskas, J., Sharma, V., Campbell, S., Collins, W., Lightman, S., Mason, B., & Nicolaides, K. (1993). Endocrinology of in-vitro fertilization pregnancies during the first trimester. Human Reproduction, 8(2), 316-322. doi:10.1093/oxfordjournals.humrep.a138043

MLA Citation

Johnson, M.R., et al. "Endocrinology of In-vitro Fertilization Pregnancies During the First Trimester". Human Reproduction, 8.2 (1993): 316-322.

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