@article{castro_clark_atallah_1997, title={Optimal search strategy for clinical trials in the Latin American and Caribbean Health Science Literature Database (LILACS)}, volume={115}, ISSN={1516-3180}, url={https://doi.org/10.1590/S1516-31801997000300004}, DOI={10.1590/S1516-31801997000300004}, number={3}, journal={Sao Paulo Medical Journal}, publisher={Associação Paulista de Medicina - APM}, author={Castro, Aldemar Araujo and Clark, Otávio Augusto Câmara and Atallah, Alvaro Nagib}, year={1997}, month={May}, pages={1423–1426} }