A double-blind, randomised, placebo-controlled parallel study to investigate the effect of sex and dietary nitrate on COVID-19 vaccine-induced vascular dysfunction in healthy men a... oleh Asad Shabbir, Ismita Chhetri, Rayomand S. Khambata, Tipparat Parakaw, Clement Lau, Muhammad A. B. N. Aubdool, Gianmichele Massimo, Nicki Dyson, Vikas Kapil, Thomas Godec, Vanessa Apea, Jan Flint, Chloe Orkin, Krishnaraj S. Rathod, Amrita Ahluwalia