Piña, J. A., Dávila, M., Lozano, D. I., Carillo, I. C. and Vázquez, P. (1) “Relationship with multiple partners in university women: a comparative study in two institutions from the northwest of Mexico”, Colombia Médica, 40(1), pp. 51-70. doi: 10.25100/cm.v40i1.628.