@misc{indiciaef00bf34160fa,
  title = {[Randomized clinical trials: variants, randomization methods, analysis, ethical issues and regulations].},
  author = {Eduardo Lazcano-Ponce and Eduardo Salazar-Martínez and Pedro Gutiérrez-Castrellón and Angélica Angeles-Llerenas and Adolfo Hernández-Garduño and José Luis Viramontes},
  doi = {10.1590/s0036-36342004000600012},
  url = {https://pubmed.ncbi.nlm.nih.gov/15624861/},
  note = {Source identifier: 15624861}
}