Gemma Walker

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

Veterinary Medicine, Immunology, Immunization +16

Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial

Philip M. Bath, Polly Scutt, Jason P. Appleton et al. · The Lancet · 2019 · 194 citations · Full text

Medicine, Neurology, Pharmacotherapy +17

Prevalence of health anxiety problems in medical clinics

Peter Tyrer, Sylvia Cooper, Mike Crawford et al. · Journal of Psychosomatic Research · 2011 · 192 citations · Full text

Medicine, Psychiatry, Psychology +12

Teaching recognition of agonal breathing improves accuracy of diagnosing cardiac arrest

Gavin D. Perkins, Gemma Walker, Katie Christensen et al. · Resuscitation · 2006 · 65 citations

Health Professions, Cardiology, Teaching +7

The impact of a computerised test of attention and activity (QbTest) on diagnostic decision‐making in children and young people with suspected attention deficit hyperactivity disorder: single‐blind randomised controlled trial

Chris Hollis, Charlotte L Hall, Boliang Guo et al. · Journal of Child Psychology and Psychiatry · 2018 · 65 citations · Full text

Medicine, Health Informatics, Psychiatry +17