PT - JOURNAL ARTICLE AU - Gervase Vernon TI - Herd thinking AID - 10.3399/bjgp20X713657 DP - 2020 Dec 01 TA - British Journal of General Practice PG - 582--583 VI - 70 IP - 701 4099 - http://bjgp.org/content/70/701/582.2.short 4100 - http://bjgp.org/content/70/701/582.2.full SO - Br J Gen Pract2020 Dec 01; 70