PT - JOURNAL ARTICLE AU - Deirdre T Little AU - Harvey R Ward TI - Ongoing inadequacy of quadrivalent HPV vaccine safety studies AID - 10.1136/bmjebm-2018-111122 DP - 2020 Apr 01 TA - BMJ Evidence-Based Medicine PG - 44--45 VI - 25 IP - 2 4099 - http://ebm.bmj.com/content/25/2/44.short 4100 - http://ebm.bmj.com/content/25/2/44.full SO - BMJ EBM2020 Apr 01; 25