TY  - GEN
AU  - Khalifa,M A
TI  - Determinants of natural fertility in Sudan
SN  - 0021-9320
PY  - 1986///1021
KW  - Adolescent
KW  - Adult
KW  - Amenorrhea
KW  - etiology
KW  - Birth Intervals
KW  - Breast Feeding
KW  - Contraception Behavior
KW  - Female
KW  - Fertility
KW  - Humans
KW  - Marriage
KW  - Middle Aged
KW  - Postpartum Period
KW  - Pregnancy
KW  - Sudan
KW  - Time Factors
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1017/s0021932000016291
ER  -