Eric Walker added Study: Viagra may have devastating consequences for one vital human function to Viagra

Eric Walker added Study: Viagra may have devastating consequences for one vital human function to Viagra, and added Viagra to Pfizer

Eric Walker added Pfizer Covid-19 pill, Viagra and Pfizer Covid-19 RNA vaccine and a number of links to Pfizer, and added Pfizer to Pharmaceutical makers and biopharmaceutical companies