| Literature DB >> 4653835 |
M L Berman, K Hanson, I L Hellman.
Abstract
Keywords: Alaska; Americas; Biology; Clinical Research; Cultural Background; Demographic Factors; Developed Countries; Ethnic Groups; Lactation; Maternal Physiology; Menstruation; North America; Northern America; Ovulation; Physiology; Population; Population Characteristics; Pregnancy; Reproduction; Research Methodology; United States
Mesh:
Year: 1972 PMID: 4653835 DOI: 10.1016/0002-9378(72)90215-3
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661