@article{sousa_driessnack_mendes_2007,  title={An overview of research designs relevant to nursing: Part 1: quantitative research designs},  volume={15},  ISSN={0104-1169},  url={https://doi.org/10.1590/S0104-11692007000300022},  DOI={10.1590/S0104-11692007000300022},  number={3},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Sousa, Valmi D. and Driessnack, Martha and Mendes, Isabel Amélia Costa},  year={2007},  month={Jun},  pages={502–507} }