Phase I randomized, observer-blinded, placebo-controlled study of a SARS-CoV-2 mRNA vaccine PTX-COVID19-B oleh Natalia Martin-Orozco, Noah Vale, Alan Mihic, Talya Amor, Lawrence Reiter, Yuko Arita, Reuben Samson, Queenie Hu, Anne-Claude Gingras, Bradley Thomas Sorenson, Eric Gates Marcusson, Piyush Patel