RT Journal Article SR Electronic T1 Suffering in silence: the core theme for older parents of adult children with cancer JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 56 OP 56 DO 10.1136/eb-2015-102196 VO 19 IS 2 A1 Lai Wah Lam YR 2016 UL http://ebn.bmj.com/content/19/2/56.abstract AB