Two human ova of the pre-villous stage
Subtitle: having a developmental age of about eight and nine days respectively
By: [by] Arthur T. Hertig and John Rock.
Contributors: Rock, John Charles, 1890- joint author.
Series: In Carnegie Institution of Washington. Contibutions to embryology.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 186
Subjects: Ovum
Notes: Contribtuions to embryology, no. 221.
Carnegie Institution of Washington Publication 583.