共 16 条
[1]
Bishop Y, 1975, DISCRETE MULTIVARIAT
[2]
BUTZ WP, 1982, N1638AID RAND CORP
[5]
INFLUENCE OF PREGNANCY SPACING ON OUTCOME OF PREGNANCY
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1973, 4 (5895)
:753-756
[6]
Goodman L., 1978, ANAL QUALITATIVE CAT
[7]
GRAY RH, 1981, CHILD SPACING TROPIC
[8]
KABWEGYERE T, 1977, PERSISTENCE HIGH FER
[9]
MOTT FL, 1982, 32 WORLD FERT SURV S
[10]
MULLER AS, 1977, TROP GEOGR MED, V29, P291