Slota C, Ulrich C, Miller-Davis C, Baker K, Wallen G. Qualitative inquiry: a method for validating patient perceptions of palliative care while enrolled on a cancer clinical trial. BMC Palliat Care. 2014 Sep 5;13:43. doi: 10.1186/1472-684X-13-43.
Garcia-Esteve L, Navarro P, Ascaso C, Torres A, Aguado J, Gelabert E, Martin-Santos R. Family caregiver role and premenstrual syndrome as associated factors for postnatal depression. Arch Womens Ment Health. 2008 Jul;11(3):193-200.