title: Covariates of age at first birth in Guyana: a hazards model analysis.
authors: K V
authors: KV
authors: Rao
authors: K S
authors: KS
authors: Murty
mesh_terms: D000293:Adolescent; D000328:Adult; D003906:Developing Countries; D005260:Female; D005298:Fertility; D006172:Guyana; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D011247:Pregnancy; D012922:Social Change; D013223:Statistics as Topic