John A. Henry

Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2020 · 5K citations · Full text

Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled trial

Pedro M. Folegatti, Katie Ewer, Parvinder K. Aley et al. · The Lancet · 2020 · 2.6K citations · Full text

Vaccination, Vaccine Safety, Phase 1/2 +7

Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2021 · 1.2K citations · Full text

Cognitive and subjective dose-response effects of acute oral Δ 9 -tetrahydrocannabinol (THC) in infrequent cannabis users

Valerie H. Curran, Catherine Brignell, Sally Fletcher et al. · Psychopharmacology · 2002 · 363 citations

Cannabis Use, Substance Use, Health Sciences +12

Relative mortality from overdose of antidepressants

John A. Henry, Carol Alexander, Ersin K. Sener · BMJ · 1995 · 292 citations · Full text