TY  - BOOK
TI  - Mass masking in the COVID-19 epidemic : : people need guidance 
PY  - 0000///  Published online March 22020///
PB  - www.thelancet.com 
KW  - Coronavirus Infections
KW  - prevention and control
KW  - transmissions
KW  - Masks
KW  - supply and distribution
KW  - World Health Organization
KW  - COVID-19
KW  - Face Masks
UR  - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7133583/pdf/main.pdf
ER  -