Authors: Juan-Pablo Millet; Antonio Moreno; Laia Fina; Lucía del Baño; Angels Orcau; Patricia García de Olalla; Joan A Caylà Journal: Eur Spine J Date: 2012-05-08 Impact factor: 3.134
Authors: Richard F W Barnes; Maria Luisa Moore; Richard S Garfein; Stephanie Brodine; Steffanie A Strathdee; Timothy C Rodwell Journal: Ann Epidemiol Date: 2011-08-05 Impact factor: 3.797