TY - CONF AU - Figueiras Guzmán, Adolfo PY - 2012 SN - 1742-7835 UR - http://hdl.handle.net/20.500.11940/2506 LA - eng TI - The relationship between gene CYP2C9 and upper gastrointestinal bleeding: Are studies properly designed? DO - http://dx.doi.org/10.1111/bcpt.12014 VL - 111 ER -