@article{Rodríguez:56810,
      author        = "Rodríguez, L.A.G. and Martín-Pérez, M. and Hennekens,
                       C.H. and Rothwell, P.M. and Lanas, A.",
      title         = "{Bleeding risk with long-term low-dose aspirin: A
                       systematic review of observational studies}",
      year          = "2016",
}