Impact of outpatient palliative care (PC) on symptom burden in patients with advanced cancer at a tertiary cancer center in Jordan. - Shamieh O; Khamash O; Khraisat M; Jbouri O; Awni M; Al-Hawamdeh A; Arja G; Ajarmeh S; Al-Rimawi D; Hui D (Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer, 2017)