共 5 条
[1]
BUDDEN FH, 1981, BLINDNESS ETHIOPIA R
[2]
DOWSON C, 1981, GUIDE TRACHOMA CONTR
[3]
JONES BR, 1975, T OPHTHAL SOC UK, V95, P16
[4]
TAYLOR HR, 1985, B WORLD HEALTH ORGAN, V63, P559
[5]
1984, ANN REPORT ETHIOPIAN