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
Nguyen USDT, Rothman KJ, Demissie S, Jackson DJ, Lang JM, Ecker JL. Transfers among women intending a birth center delivery in the San Diego birth center study. J Midwifery Womens Health. 2009 Mar 1;54(2):104-10.