共 13 条
[1]
Belfrage P, 1974, Lakartidningen, V71, P73
[2]
BELFRAGE P, IN PRESS
[3]
BONICA JJ, 1967, OBSTETRIC ANALGESIA, V1, P611
[7]
MOORE DC, 1965, REGIONAL BLOCK, P407
[9]
NOBLE AD, 1971, J OBSTET GYN BR COMM, V78, P559