共 6 条
[1]
DISSEVELT AG, 1976, TROP GEOGR MED, V28, P251
[2]
DONALD I, 1969, PRACTICAL OBSTETRIC
[3]
MORLEY D, 1973, PEDIATRIC PRIORITIES
[4]
Senanayake I P, 1977, J Trop Pediatr Environ Child Health, V23, P220
[5]
Shah K P, 1981, WHO Chron, V35, P51
[6]
SUNDER PSS, 1973, MORTALITY LONGITUDIN