title: A study of microsymptoms in the parents and sibs of patients with Down's syndrome.
mesh_terms: D000704:Analysis of Variance; D000886:Anthropometry; D004314:Down Syndrome / Q000175:diagnosis / Q000235:genetics*; D005006:Ethnicity; D005190:Family; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D013008:Somatotypes; D013285:Strabismus