Eric Walker added Thiomersal - Wikipedia to Thiomersal

Eric Walker added The Last Time a Vaccine Saved America | The New Yorker to a number of topics

Eric Walker added Thiomersal and Organomercury - Wikipedia to Organomercury, and added Organomercury to Mercury (chemical element) and Organometallic compounds

Eric Walker added The Last Time a Vaccine Saved America | The New Yorker and Thiomersal - Wikipedia to Thiomersal, and added Thiomersal to Organomercury