ID - 138685596 TI - Could the President or Congress enact a nationwide mask mandate? AU - Shen, Wen W. AU - Library of Congress. PY - 2020 PB - [Washington, D.C.] : Congressional Research Service, DB - UniCat KW - Personal protective equipment KW - COVID-19 (Disease) KW - Prevention. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138685596 AB - ER -