[Ankylosing spondylarthritis in Morocco. Apropos of 40 cases].
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing
La spondylarthrite ankylosante au Maroc. A propos de 40 observations.