title: Hyaline membrane disease of newborn: a study of some etiological factors.
mesh_terms: D001724:Birth Weight; D005260:Female; D006801:Humans; D006819:Hyaline Membrane Disease / Q000453:epidemiology / Q000209:etiology*; D007194:India; D007231:Infant, Newborn; D011247:Pregnancy; D011248:Pregnancy Complications