Citace podle APA (7th ed.)

Ohuma, E., Papageorghiou, A., Villar, J., & Altman, D. (2013). Estimation of gestational age in early pregnancy from crown-rump length when gestational age range is truncated: The case study of the INTERGROWTH-21st Project. BioMed Central.

Citace podle Chicago (17th ed.)

Ohuma, E., A. Papageorghiou, J. Villar, a D. Altman. Estimation of Gestational Age in Early Pregnancy from Crown-rump Length When Gestational Age Range Is Truncated: The Case Study of the INTERGROWTH-21st Project. BioMed Central, 2013.

Citace podle MLA (9th ed.)

Ohuma, E., et al. Estimation of Gestational Age in Early Pregnancy from Crown-rump Length When Gestational Age Range Is Truncated: The Case Study of the INTERGROWTH-21st Project. BioMed Central, 2013.

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