PT - JOURNAL ARTICLE AU - David Barrett AU - Helen Noble TI - What are cohort studies? AID - 10.1136/ebnurs-2019-103183 DP - 2019 Oct 01 TA - Evidence Based Nursing PG - 95--96 VI - 22 IP - 4 4099 - http://ebn.bmj.com/content/22/4/95.short 4100 - http://ebn.bmj.com/content/22/4/95.full SO - Evid Based Nurs2019 Oct 01; 22