共 14 条
[3]
FARQUAHARSON E, 1955, LANCET, V1, P517
[5]
HILL A, 1988, COMMUNITY MED, V10, P180
[6]
INGRAM RM, 1980, T OPHTHAL SOC UK, V100, P205
[10]
RUSSELL IT, 1977, LANCET, V1, P844