TY  - RPRT
TI  - Family-planning and immunisation programmes in developing countries.
AU  - C V Foll
PY  - 1972
DO  - 10.1016/s0140-6736(72)91942-3
UR  - https://pubmed.ncbi.nlm.nih.gov/4115601/
ID  - 4115601
ER  -