title: The relation of birth order to age at onset of Huntington's disease.
mesh_terms: D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D001722:Birth Order; D005260:Female; D006801:Humans; D006816:Huntington Disease / Q000235:genetics*; D008297:Male; D008875:Middle Aged; D012737:Sex Factors