TY  - RPRT
TI  - [Developing a study: initial strategy].
AU  - Fabio Xerfan Nahas
AU  - Bernardo Hochman
AU  - Lydia Masako Ferreira
PY  - 2005
DO  - 10.1590/s0102-86502005000800003
UR  - https://pubmed.ncbi.nlm.nih.gov/16283020/
ID  - 16283020
ER  -