Tonsillectomy and multiple sclerosis.
D000293:Adolescent; D000328:Adult; D001062:Appendectomy; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009103:Multiple Sclerosis / Q000209:etiology*; D014068:Tonsillectomy / Q000009:adverse effects*