Henry D, Lim LL, Garcia Rodriguez LA, Perez GS, Carson JL, Griffin M, Savage R, Logan R, Moride Y, Hawkey C, Hill S, Fries JT. Variability in risk of gastrointestinal complications with individual non-steroidal anti-inflammatory drugs: results of a collaborative meta-analysis. BMJ. 1996 Jun 22;312(7046):1563-6.
Bonfill X, Marzo M, Sentís M, Rossell M, Gallardo X, Rivero E. Evaluation of the regular practice of breast cancer screening in a health area. Int J Technol Assess Health Care. 1996 Apr;12(2):388-94.
Garcia Rodriguez LA, Perez GS, Walker AM, Lueck L. The role of non-steroidal anti-inflammatory drugs in acute liver injury. BMJ. 1992 Oct 10;305(6858):865-86.