Contrast levelled copies of radiographic films for printing.
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Biomedical subjects
Publications and source records attributed to S Ahlbäck.
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The frequency of patella alta as defined by the method of Insall & Salvati in knees with femoro-patellar osteoarthrosis was determined. Patella alta was six times as frequent in knees with osteoarthrosis than in those with a normal femoro-patellar joint. Patella alta is more common in women and is often bilateral.
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Eleven patients operated on for rectal prolapse, according to the method described by Ripstein, were examined pre- and postoperatively with cineradiography of the rectum. The patients were asked to fill in a questionnaire to evaluate their histories of constipation. There is no apparent anatomic explanation for postoperative constipation. One patient had a rectal stricture and another, a recurrence in the shape of an intussusception.