Hulley, S. B. (2013). Designing clinical research (4th ed.). Wolters Kluwer/Lippincott Williams & Wilkins.
Citación estilo ChicagoHulley, Stephen B. Designing Clinical Research. 4th ed. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins, 2013.
Cita MLAHulley, Stephen B. Designing Clinical Research. 4th ed. Wolters Kluwer/Lippincott Williams & Wilkins, 2013.
Warning: These citations may not always be 100% accurate.