title: [Analysis of the primary and secondary sex ratios in man].
mesh_terms: D000028:Abortion, Induced; D000022:Abortion, Spontaneous / Q000453:epidemiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D006814:Hungary; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012744:Sex Ratio
vernacular_title: Analiz pervichnogo i vtorichnogo sootnosheniia polov u cheloveka.