APA aipamena

Pennekamp, C. W., Immink, R. V., Buhre, W. F., Moll, F. L., & de Borst, G. J. (2013). Phenylephrine versus ephedrine on cerebral perfusion during carotid endarterectomy (PEPPER): Study protocol for a randomized controlled trial. BioMed Central.

Chicago Style aipamena

Pennekamp, Claire WA, Rogier V. Immink, Wolfgang F. Buhre, Frans L. Moll, and Gert Jan de Borst. Phenylephrine Versus Ephedrine On Cerebral Perfusion During Carotid Endarterectomy (PEPPER): Study Protocol for a Randomized Controlled Trial. BioMed Central, 2013.

MLA aipamena

Pennekamp, Claire WA, et al. Phenylephrine Versus Ephedrine On Cerebral Perfusion During Carotid Endarterectomy (PEPPER): Study Protocol for a Randomized Controlled Trial. BioMed Central, 2013.