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.
芝加哥风格引文Algra, A., 与 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.
MLA引文Algra, A., 与 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.
警告：这些引文格式不一定是100％准确.