RT Journal Article SR Electronic T1 How to appraise mixed methods research JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 38 OP 41 DO 10.1136/ebnurs-2019-103076 VO 22 IS 2 A1 Calvin Moorley A1 Xabi Cathala YR 2019 UL http://ebn.bmj.com/content/22/2/38.abstract AB