Park EM, Deal AM, Yopp JM, Chien SA, McCabe S, Hirsch A, Bowers SM, Edwards T, Rosenstein DL. Parenting through grief: a cross-sectional study of recently bereaved adults with minor children. Palliat Med. 2021 Dec;35(10):1923-32. doi: 10.1177/02692163211040982
Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
Allan JS, Kanda P, Kennedy RC, Cobb EK, Anthony MS, Eichberg JW. Isolation and characterization of simian immunodeficiency virus from two subspecies of African green monkeys. Aids Res Hum Retrovir. 1990 Mar;6(3):275-85.