APA ציטוט

Barrera, D., Avila, E., Hernández, G., Méndez, I., González, L., Halhali, A., . . . Díaz, L. (2008). Calcitriol affects hCG gene transcription in cultured human syncytiotrophoblasts. BioMed Central.

Citação norma Chicago

Barrera, David, Euclides Avila, Guillermo Hernández, Isabel Méndez, Leticia González, Ali Halhali, Fernando Larrea, Angélica Morales, and Lorenza Díaz. Calcitriol Affects HCG Gene Transcription in Cultured Human Syncytiotrophoblasts. BioMed Central, 2008.

ציטוט MLA

Barrera, David, et al. Calcitriol Affects HCG Gene Transcription in Cultured Human Syncytiotrophoblasts. BioMed Central, 2008.