@misc{indiciae190863710b3d, title = {Health problems in developing countries: an overview.}, author = {M J Toole and R J Waldman}, year = {1990}, doi = {10.1097/00004397-199030010-00002}, url = {https://pubmed.ncbi.nlm.nih.gov/2404884/}, note = {Source identifier: 2404884} }