TY  - RPRT
TI  - Prolonged breastfeeding as a birth spacing method.
AU  - J K van Ginneken
PY  - 1975
DO  - 10.1093/tropej/21.2.59
UR  - https://pubmed.ncbi.nlm.nih.gov/1040031/
ID  - 1040031
ER  -