Helena Baker

Safety, immunogenicity, and reactogenicity of BNT162b2 and mRNA-1273 COVID-19 vaccines given as fourth-dose boosters following two doses of ChAdOx1 nCoV-19 or BNT162b2 and a third dose of BNT162b2 (COV-BOOST): a multicentre, blinded, phase 2, randomised trial

Alasdair Munro, Shuo Feng, Leila Janani et al. · The Lancet Infectious Diseases · 2022 · 170 citations · Full text

The Fate of Substituted Urea Herbicides in Agricultural Soils¹

G. D. Hill, J. W. McGahen, Helena Baker et al. · Agronomy Journal · 1955 · 134 citations

Environmental Chemistry, Engineering, Crop Protection +4

Herbicide Residues, Determination of 3-(<i>p</i>-Chlorophenyl)-1,1-dimethylurea in Soils and Plant Tissue

W. E. Bleidner, Helena Baker, Michael. Levitsky et al. · Journal of Agricultural and Food Chemistry · 1954 · 61 citations

Residue (Chemistry), Engineering, Pesticide-residue Analysis +21

Immunogenicity of third dose COVID-19 vaccine strategies in patients who are immunocompromised with suboptimal immunity following two doses (OCTAVE-DUO): an open-label, multicentre, randomised, controlled, phase 3 trial

Carl S. Goodyear, Amit K. Patel, Eleanor Barnes et al. · The Lancet Rheumatology · 2024 · 26 citations · Full text

Determination of 3-(p-Chlorophenyl)-1,1-dimethylurea

W. K. Löwen, Helena Baker · Analytical Chemistry · 1952 · 11 citations

Chemical Measurement, Engineering, Chemical Analysis +12