RT Journal Article SR Electronic T1 Effective and multilevel suicide prevention strategies must be developed based on high-quality evidence and public health policy reform JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP ebnurs-2019-103213 DO 10.1136/ebnurs-2019-103213 A1 Akhtar Ebrahimi Ghassemi A1 Parastou Azadeh Ranjbar YR 2020 UL http://ebn.bmj.com/content/early/2020/06/17/ebnurs-2019-103213.abstract AB