Dyfyniad APA

Stein, Z., & Hatch, M. (1987). Biological markers in reproductive epidemiology: Prospects and precautions.

Dyfyniad Arddull Chicago

Stein, Z., and M. Hatch. Biological Markers in Reproductive Epidemiology: Prospects and Precautions. 1987.

Dyfyniad MLA

Stein, Z., and M. Hatch. Biological Markers in Reproductive Epidemiology: Prospects and Precautions. 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.