Russu, Eugeniu, Nistor, Alesea, Betiu, Mircea, Cazac, Victor, Homițchi, Marinela, AND Groppa, Liliana. " The role of musculoskeletal ultrasonography in the early diagnosis and differentiation of rheumatoid arthritis, psoriatic arthritis and cutaneous psoriasis" Medical Research Archives [Online], Volume 13 Number 4 (30 April 2025)