Cita APA (7a ed.)

Algra, A., & Rothwell, P. (2012). Effects of regular aspirin on long-term cancer incidence and metastasis: A systematic comparison of evidence from observational studies versus randomised trials.

Cita Chicago Style (17a ed.)

Algra, A., y P. Rothwell. Effects of Regular Aspirin on Long-term Cancer Incidence and Metastasis: A Systematic Comparison of Evidence from Observational Studies Versus Randomised Trials. 2012.

Cita MLA (9a ed.)

Algra, A., y P. Rothwell. Effects of Regular Aspirin on Long-term Cancer Incidence and Metastasis: A Systematic Comparison of Evidence from Observational Studies Versus Randomised Trials. 2012.