Chondrodystrophic myotonia.
D000015:Abnormalities, Multiple; D002675:Child, Preschool; D005132:Eye Manifestations; D005145:Face; D006130:Growth Disorders / Q000235:genetics; D006801:Humans; D007223:Infant; D009043:Motor Activity; D009223:Myotonic Dystrophy / Q000235:genetics*; D011188:Potassium / Q000097:blood
D011188:Potassium