title: Human fertility studies under field conditions. Introduction.
authors.affiliation: Institute of Biological Anthropology, University of Oxford.
authors.forename: G A
authors.initials: GA
authors.lastname: Harrison
mesh_terms: D001823:Body Composition; D005260:Female; D005298:Fertility; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D009752:Nutritional Status; D012959:Socioeconomic Factors