共 66 条
[3]
AMMON HV, 1973, GASTROENTEROLOGY, V65, P744
[5]
AVERY ME, 1990, NEW ENGL J MED, V323, P891, DOI 10.1056/NEJM199009273231307
[6]
BACKMAN L, 1974, ACTA CHIR SCAND, V140, P57