共 6 条
[1]
FREIDSON E, 1958, PUBLIC LOOKS HOSPITA, P3
[2]
FREIDSON E, 1958, PUBLIC LOOKS HOSPITA, P2
[3]
KRIESBERG L, 1960, J AM COLL DENT, V27, P147
[4]
KRIESBERG L, 1960, 76 NAT OP RES CTR RE
[5]
TREIMAN BR, 1959, NORC69 U CHIC REP, P22
[6]
TREIMAN BR, 1959, NORC69 U CHIC REP, P7