Age determination of early human embryos and fetuses.

MLA

Kellokumpu-Lehtinen, P. “Age Determination of Early Human Embryos and Fetuses.” Annals of Human Biology, vol. 11, no. 6, Jan. 1984, pp. 567–70. EBSCOhost, https://doi.org/10.1080/03014468400007481.

APA

Kellokumpu-Lehtinen, P. (1984). Age determination of early human embryos and fetuses. Annals of Human Biology, 11(6), 567–570. https://doi.org/10.1080/03014468400007481

Chicago

Kellokumpu-Lehtinen, P. 1984. “Age Determination of Early Human Embryos and Fetuses.” Annals of Human Biology 11 (6): 567–70. doi:10.1080/03014468400007481.