共 10 条
[1]
BLOOMFIELD SS, 1965, CAN MED ASSOC J, V92, P662
[2]
CHERASKIN E, 1967, LANCET, V1, P1299
[3]
DANIEL EE, 1966, J MED EDUC, V41, P49
[7]
LASAGNA L, 1955, J CHRON DIS, V4, P353
[8]
MAY CD, 1961, J MED EDUC, V36, P1
[10]
TAMMES AR, 1968, AM J CLIN PATHOL, V49, P613