共 5 条
[1]
CHAPIN CV, 1916, SOURCES MODES INFECT, P42
[2]
CONRADI, 1907, DTSCH MED WCHNSCHR, V33, P1684
[3]
GAY FP, 1918, TYPHOID FEVER, P120
[4]
SEMPLE, 1908, SCI MEM, V32