共 16 条
[1]
ACHESON ED, 1963, GASTROENTEROLOGY, V44, P7
[3]
BARGEN JA, 1960, GASTROENTEROLOGY, V39, P385
[4]
BARGEN JA, 1954, GASTROENTEROLOGY, V26, P32
[6]
BEEBE GW, PERSONAL COMMUNICATI
[7]
COHEN B, 1953, AM J PUBLIC HEALTH, V43, P1292
[8]
FLOOD C A, 1956, J Chronic Dis, V4, P267, DOI 10.1016/0021-9681(56)90029-7
[9]
GOLDGRABER MB, 1958, GASTROENTEROLOGY, V34, P809
[10]
RICEOXLEY JM, 1950, LANCET, V1, P663