The effect of barium enemas and barium sulfate on healing of colorectal biopsy sites

Twelve mongrel dogs had superficial and deep colon biopsies above and below the peritoneal reflection. Six of the animals were given a barium enema; two had a barium enema immediately, two in three days, and two in six days. The animals were sacrificed 48 hours after the barium enema; the sigmoid wa...

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