Pérez G, Gotsens M, Palència L, Marí-Dell'Olmo M, Domínguez-Berjón MF, Rodríguez-Sanz M, Puig V, Bartoll X, Gandarillas A, Martín U. Study protocol on the effect of the economic crisis on mortality and reproductive health and health inequalities in Spain. Gaceta sanitaria/SESPAS 2016;