TY - JOUR AU - Louro Gonzalez, Arturo PY - 2015 SN - 1471-2288 UR - http://hdl.handle.net/20.500.11940/2788 LA - eng TI - Efficiency of pragmatic search strategies to update clinical guidelines recommendations DO - 10.1186/s12874-015-0058-2 T2 - BMC Medical Research Methodology M2 - 57 VL - 15 ER -