SYSTEM, CRYOSURGICAL, LIQUID NITROGEN, FOR GASTROENTEROLOGY

(1) Cryosurgical unit with a liquid nitrogen cooled cryoprobe and accessories. A cryosurgical unit with a liquid nitrogen cooled cryoprobe and…

National Institutes of Health

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1979

The basic studies were performed on such as the cause of cryonecrosis, the change after freezing anorectum, the changes after…

1975