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Table 1 Search strategy

From: The use of ultrasonography in the diagnosis of nail disease among patients with psoriasis and psoriatic arthritis: a systematic review

Database Search Strategy
PubMed (“Arthritis, Psoriatic”[Mesh] OR “Psoriasis”[Mesh] OR “psoriatic arthritis” OR “psoriasis”) AND (“Ultrasonography”[Mesh] OR “ultrasound” OR “Ultrasonography, Doppler”[Mesh] OR “Doppler” OR “Power doppler” OR “spectral”) AND (“nail” OR “ungueal”)
LILACS (“Psoríase” or “Psoriasis” or “Arthritis, Psoriatic” or “Artrite Psoriásica”) and (“ultrasonography” or “ultrasound” or “ultrassonografia” or “doppler”) and (“unha” or “nail” or “ungueal”)