Psoriatic arthritis in Egypt.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000453:epidemiology*; D004534:Egypt; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000150:complications* / Q000453:epidemiology*; D012723:Sex