1From the New England Deaconess Hospital, Boston, Massachusetts Read at the meeting of the American Proctologic Society, Boston, Massachusetts, June 16 to 18, 1969. Supported, in part, by Research and Demonstration Grant No. RD-2970-M-69 from the Social and Rehabilitation Service, Department of Health, Education, and Welfare, Washington, D. C. 20201.
No takes yet. Share an insight, caveat, or question.
John L. Rowbotham (1970) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: