Gastrointestinal obstructions: experience in Port Harcourt, Nigeria.
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D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007415:Intestinal Obstruction / Q000209:etiology / Q000401:mortality / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013997:Time Factors