TY  - RPRT
TI  - Health problems in developing countries: an overview.
AU  - M J Toole
AU  - R J Waldman
PY  - 1990
DO  - 10.1097/00004397-199030010-00002
UR  - https://pubmed.ncbi.nlm.nih.gov/2404884/
ID  - 2404884
ER  -