Two human ova of the pre-villous stage
Subtitle: having an ovulation age of about eleven and twelve days respectively
By: Arthur T. Hertig and John Rock ; with eight plates and four text figures.
Contributors: Rock, John Charles, 1890-
Series: Contributions to embryology ;; no. 184
Publisher: Carnegie Institution of Washington
Published: 1941
Place of publication: [Washington, D.C
Language: eng
Number of pages: 156
Subjects: Ovum; Ovulation; Embryology, Human
Notes: "Literature Cited": p. 156.