共 73 条
[2]
Aylward G, 1993, Health Trends, V25, P126
[3]
BECKMAN C, 1992, ACTA OPHTHALMOL, V70, P53
[4]
BERNTHPETERSEN P, 1981, ACTA OPHTHALMOL, V59, P198
[5]
BLOOM BS, 1988, INQUIRY-J HEALTH CAR, V25, P383
[7]
BROGAN C, 1994, PATIENT ASSESSED C 2