PT - JOURNAL ARTICLE AU - Allison Shorten AU - Joanna Smith TI - Mixed methods research: expanding the evidence base AID - 10.1136/eb-2017-102699 DP - 2017 Jun 14 TA - Evidence Based Nursing PG - ebnurs-2017-102699 4099 - http://ebn.bmj.com/content/early/2017/06/13/eb-2017-102699.short 4100 - http://ebn.bmj.com/content/early/2017/06/13/eb-2017-102699.full