Sigmoidoscopia (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sigmoidoscopia" in Spanish language version.

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cancer.gov

doi.org

dx.doi.org

  • Atkin, WS; Edwards, R; Kralj-Hans, I; Wooldrage, K; Hart, AR; Northover, JM; Parkin, DM; Wardle, J et al. (2010). «Once-only flexible sigmoidoscopy screening in prevention of colorectal cancer: A multicentre randomised controlled trial». The Lancet 375 (9726): 1624-33. PMID 20430429. doi:10.1016/S0140-6736(10)60551-X. 

elmundo.es

elsevier.es

google.es

books.google.es

medicina21.com

nih.gov

ncbi.nlm.nih.gov

  • Atkin, WS; Edwards, R; Kralj-Hans, I; Wooldrage, K; Hart, AR; Northover, JM; Parkin, DM; Wardle, J et al. (2010). «Once-only flexible sigmoidoscopy screening in prevention of colorectal cancer: A multicentre randomised controlled trial». The Lancet 375 (9726): 1624-33. PMID 20430429. doi:10.1016/S0140-6736(10)60551-X. 

web.archive.org