| Literature DB >> 13270752 |
B ZONDEK, I FORMAN, K L COOPER.
Abstract
Entities:
Keywords: CERVIX, UTERINE; PLACENTA/hormones; PREGNANCY TESTS
Mesh:
Substances:
Year: 1955 PMID: 13270752
Source DB: PubMed Journal: Fertil Steril ISSN: 0015-0282 Impact factor: 7.329