Protective effect of poliomyelitis on psoriatic arthritis.
D000368:Aged; D001168:Arthritis / Q000150:complications* / Q000000981:diagnostic imaging; D006225:Hand / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011051:Poliomyelitis / Q000150:complications*; D011565:Psoriasis / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography; D014955:Wrist Joint / Q000000981:diagnostic imaging