TY  - RPRT
TI  - Questionnaire approach to diagnosis in developing countries.
AU  - M L Barreto
PY  - 1998
DO  - 10.1016/s0140-6736(05)60526-0
UR  - https://pubmed.ncbi.nlm.nih.gov/9777829/
ID  - 9777829
ER  -