共 64 条
[1]
Aday L A, 1974, Health Serv Res, V9, P208
[4]
*AM AC OPHTH, PREF PRACT PATT COMP
[6]
ANDERSEN RM, 1983, HEALTH SERV RES, V18, P49
[8]
[Anonymous], 2000, Vital Health Stat 2, P1
[9]
[Anonymous], OPT CLIN PRACT GUID