20210206222400.0 Open journal of nursing. 2162-5336 http://bibpurl.oclc.org/web/70544 Open journal of nursing (Print) California 2162-5336 Open journal of nursing. 2162-5336 2162-5336 Open journal of nursing (Print) 2162-5336 http://www.scirp.org/journal/OJN/