Bedard PL, Krzyzanowska MK, Pintilie M, Tannock IF (2007). «Statistical power of negative randomized controlled trials presented at American Society for Clinical Oncology annual meetings». J. Clin. Oncol. 25 (23): 3482–7. PMID17687153. doi:10.1200/JCO.2007.11.3670 !CS1 manut: Nomes múltiplos: lista de autores (link)
Bedard PL, Krzyzanowska MK, Pintilie M, Tannock IF (2007). «Statistical power of negative randomized controlled trials presented at American Society for Clinical Oncology annual meetings». J. Clin. Oncol. 25 (23): 3482–7. PMID17687153. doi:10.1200/JCO.2007.11.3670 !CS1 manut: Nomes múltiplos: lista de autores (link)