共 29 条
[2]
Baker Judith J, 2002, J Health Care Finance, V28, P1
[4]
BERGER RA, 1996, B AM ACAD ORTHOP SUR, V44, P20
[5]
*BNHI, 2003, NAT HLTH INS ANN STA
[7]
BROWN CA, 2001, B AM ACAD ORTHOP SUR, V86, P8
[9]
Chang WC, 2003, J REPROD MED, V48, P247