共 29 条
[2]
BACKETT EM, 1967, EPIDEMIOLOGY GASTRIC
[3]
CHAKLIN AV, 1962, B WORLD HEALTH ORGAN, V27, P337
[4]
CLEMMESEN J, 1965, ACTA PATH MICROBIO 1, V174
[5]
DEWHURST JF, 1961, EUROPE NEEDS RESOURC
[6]
DOLL R, 1956, Gastroenterologia, V86, P320
[7]
DUNN JE, 1966, 3 WORLD C GASTR TOK
[8]
FISHER RA, 1949, STATISTICAL TABLES B
[10]
GREGOR O, 1965, EARLY DIAGNOSIS GAST