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N. I. Fox, M.D.; F. J. Mantel, M.D.; J. I. Rabens, M.D.
JAMA. 1931;96(12):943. doi:10.1001/jama.1931.27220380003010c.
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S. B., a Negro, aged 24, was admitted, April 14, 1930, to the surgical services of the Cook County Hospital, Chicago, because of a swelling in the right inguinal region, vomiting, and severe abdominal cramps for the past twenty-four hours.

The patient stated that he had had a right inguinal hernia for the past two years. The day before, about 2 p. m., he suddenly developed a sharp, colicky pain in the right inguinal region. An hour later he noticed a round, hard and tender mass in the same area. The pain was followed soon by nausea and vomiting, the vomitus consisting of food material and mucus. About 3 o'clock the pain had spread over the entire abdomen and was especially marked around the umbilicus.

He vomited again at 5 and at 6 a considerable amount of grayish material. He tried to go to sleep but was awakened again by


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