Cita APA

Nacul, L. C., Kirkwood, B. R., Arthur, P., Morris, S. S., Magalhães, M., & Fink, M. C. (1997). Randomised, double blind, placebo controlled clinical trial of efficacy of vitamin A treatment in non-measles childhood pneumonia.

Chicago Style Citation

Nacul, L. C., B. R. Kirkwood, P. Arthur, S. S. Morris, M. Magalhães, i M. C. Fink. Randomised, Double Blind, Placebo Controlled Clinical Trial of Efficacy of Vitamin A Treatment in Non-measles Childhood Pneumonia. 1997.

Cita MLA

Nacul, L. C., et al. Randomised, Double Blind, Placebo Controlled Clinical Trial of Efficacy of Vitamin A Treatment in Non-measles Childhood Pneumonia. 1997.