Juvenile rheumatoid arthritis in a mother and her identical twin sons.
D000328:Adult; D000842:Ankle / Q000000981:diagnostic imaging; D001171:Arthritis, Juvenile / Q000235:genetics*; D002675:Child, Preschool; D004200:Diseases in Twins; D004550:Elbow / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography