PT - JOURNAL ARTICLE AU - Katharine Ann Wallis AU - Carolyn Raina Elley TI - Trial and error: challenges conducting pragmatic trials in general practice AID - 10.3399/bjgp22X718289 DP - 2022 Feb 01 TA - British Journal of General Practice PG - 54--55 VI - 72 IP - 715 4099 - http://bjgp.org/content/72/715/54.short 4100 - http://bjgp.org/content/72/715/54.full SO - Br J Gen Pract2022 Feb 01; 72