Myotonic disorders.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009222:Myotonia / Q000175:diagnosis* / Q000628:therapy; D009224:Myotonia Congenita / Q000175:diagnosis; D009223:Myotonic Dystrophy / Q000175:diagnosis / Q000235:genetics