title: Sex ratio at birth: values, variance, and some determinants.
mesh_terms: D000293:Adolescent; D000328:Adult; D001741:Black or African American; D001290:Attitude; D004522:Educational Status; D005191:Family Characteristics; D005260:Female; D005431:Florida; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012067:Religion; D012380:Role; D012494:Sampling Studies; D012737:Sex Factors; D012744:Sex Ratio; D012930:Social Dominance; D012945:Social Values; D013223:Statistics as Topic