共 7 条
[1]
ABDURRAHMAN M B, 1982, African Journal of Medicine and Medical Sciences, V11, P113
[4]
FAGBULE D, 1988, African Journal of Medicine and Medical Sciences, V17, P181
[5]
HARRY TO, 1981, TROP GEOGR MED, V33, P375
[7]
1976, EXPANDED PROGRAMME I, P4