| Literature DB >> 511870 |
W B Cutler, C R García, A M Krieger.
Abstract
Keywords: Age Factors; Americas; Blacks; Coitus; Cultural Background; Demographic Factors; Developed Countries; Ethnic Groups; Fecundity; Fertility; Human Reproductive Indexes; Infertility; Maternal Age; Menstrual Cycle; Menstruation; North America; Northern America; Parental Age; Pennsylvania; Population; Population Characteristics; Population Dynamics; Pregnancy; Reproduction; Research Methodology; Research Report; Statistical Studies; Studies; United States; Whites; Women
Mesh：
Year: 1979 PMID： 511870 DOI： 10.1017/s0021932000012505
Source DB: PubMed Journal: J Biosoc Sci ISSN： 0021-9320