| Literature DB >> 425046 |
M T Seger, C E Gibbs, E A Young.
Abstract
Keywords: Americas; Attitude; Biology; Cultural Background; Demographic Factors; Developed Countries; Economic Factors; Education; Ethnic Groups; Fertility; Fertility Measurements; Lactation; Low Income Population; Maternal Physiology; North America; Northern America; Nutrition; Parity; Physiology; Population; Population Characteristics; Population Dynamics; Primiparity; Psychological Factors; Research Methodology; Sampling Studies; Social Class; Socioeconomic Factors; Socioeconomic Status; Studies; Surveys; Texas; United States
Mesh：
Year: 1979 PMID： 425046
Source DB: PubMed Journal: Tex Med ISSN： 0040-4470