https://pdmj.org/

Masks, false safety and real dangers (series) 

Paper 1 - Friable mask particulate and lung vulnerability:

https://pdmj.org/papers/masks_false_safety_and_real_dangers_part1

Paper 2 - Microbial challenges from masks: 

https://pdmj.org/papers/masks_false_safety_and_real_dangers_part2

Paper 3 - Hypoxia, hypercapnia and physiological effects:

https://pdmj.org/papers/masks_false_safety_and_real_dangers_part3

Paper 4 - Proposed mechanisms by which masks increase risk of COVID-19:

https://pdmj.org/papers/masks_false_safety_and_real_dangers_part4