APA ציטוט

Ferreira, R. D. d. S., Negrini, R., Bernardo, W. M., Simões, R., & Piato, S. (2019). The effects of sildenafil in maternal and fetal outcomes in pregnancy: A systematic review and meta-analysis. PLoS One.

Citação norma Chicago

Ferreira, Raquel Domingues da Silva, Romulo Negrini, Wanderley Marques Bernardo, Ricardo Simões, and Sebastião Piato. "The Effects of Sildenafil in Maternal and Fetal Outcomes in Pregnancy: A Systematic Review and Meta-analysis." PLoS One 2019.

ציטוט MLA

Ferreira, Raquel Domingues da Silva, et al. "The Effects of Sildenafil in Maternal and Fetal Outcomes in Pregnancy: A Systematic Review and Meta-analysis." PLoS One 2019.