MARCUS W. LYON JR., M.D.; JOHN D. MIZELLE, PH.D.
Whereas larvae of Gastrophilus species which produce horse bots are true intestinal parasites, larvae of other genera (Lucilia, Calliphora, Piophila, Fannia, Phormia, Musca, etc.) are apparently plastic enough in their habits to live for different periods of time in the digestive tract of mammals.
The older opinion regarding the prevalence of intestinal myiasis is well expressed by Walsh who says, "Taking everything into consideration, we doubt whether, out of ten thousand cases, where the larvae of two-winged flies have existed in considerable numbers in the human intestines, more than one single case has been reported in print by competent entomological
LYON MW, MIZELLE JD. ANOTHER CASE OF INTESTINAL MYIASIS(ANOTHER CASE OF INTESTINAL MYIASIS*). Ann Intern Med. 1945;22:128–130. doi: 10.7326/0003-4819-22-1-128
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Published: Ann Intern Med. 1945;22(1):128-130.
Gastroenterology/Hepatology, Infectious Disease.
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