Racial disparities in traumatic stress in prostate cancer patients: secondary analysis of a National URCC CCOP Study of 317 men. - Purnell JQ; Palesh OG; Heckler CE; Adams MJ; Chin N; Mohile S; Peppone LJ; Atkins JN; Moore DF; Spiegel D; Messing E; Morrow GR; et al. (Supportive Care in Cancer, 2011)