7:23am PST - February 19th, 2022
RT @DrJohnB2: Titanium dioxide (TiO2) nanoparticles are frequently present in face masks: https://t.co/FBn2GxWR9v - A new study with scanni…
0 retweets 133 likes - Jenn (@Jenny_T8)RT @DrJohnB2: Titanium dioxide (TiO2) nanoparticles are frequently present in face masks: https://t.co/FBn2GxWR9v - A new study with scanni…
0 retweets 133 likes - Jenn (@Jenny_T8)