共 20 条
[2]
*CANC RES CAMP WOR, 1980, BRIT MED J, V281, P918
[4]
CUNNINGHAM J, 1992, CAN J SURG, V35, P629
[9]
Levin A, 1921, JAMA-J AM MED ASSOC, V76, P1007, DOI [10.1001/jama.1921.92630150031014d, DOI 10.1001/JAMA.1921.92630150031014D]