title: Racial factors in birth seasonality among schizophrenics: a preliminary analysis.
mesh_terms: D005006:Ethnicity / Q000523:psychology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D012306:Risk; D012559:Schizophrenia / Q000175:diagnosis*; D012621:Seasons