The challenge of early diagnosis of psoriatic arthritis.
Olivieri
Ignazio
I
D'Angelo
Salvatore
S
Padula
Angela
A
Palazzi
Carlo
C
D015535:Arthritis, Psoriatic / Q000145:classification / Q000175:diagnosis*; D042241:Early Diagnosis; D006801:Humans; D012720:Severity of Illness Index