| http://www.w3.org/ns/prov#value | - Since we initiated our experience with this operation, we have observed virtually no recurrences; it must however be pointed out that an incomplete follow-up may have occurred for some patients, because Brazil is a large country and many patients leave S??o Paulo after improvement of their bowel function, resulting in loss of follow-up.7 Recurrence after elective surgical treatment of chagasic meg
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