Park EM, Deal AM, Yopp JM, Edwards TP, Wilson DJ, Hanson LC, Rosenstein DL. End-of-life experiences of mothers with advanced cancer: perspectives of widowed fathers. BMJ Support Palliat Care. 2016 Dec;6(4):437-44. doi: 10.1136/bmjspcare-2015-000976
Rothman KJ, Arellano F. Elevating the level of scientific discourse. Int J Occup Environ Health. 2005 Sep 1;11(3):327-8.
Tuells A, Arana A, Perez-Gutthann S, García-Rodríguez LA. El Proyecto BIFAP. Inv Clin Farm. 2003;0:25-6.