共 5 条
[1]
BERAL V, IN PRESS 2ND P INT S
[2]
EBCTC Group, 1992, LANCET, V339, P1
[3]
1995, OPCS VS3 SER
[4]
1994, OPCS DH2942 MON
[5]
1992, LANCET, V339, P71