Pollak, Andrew N. (Ed.) Evolution of EMS : COVID19 guidance for EMS providers - พิมพ์ครั้งที่ 1 - Burlington, MA : Jones & Bartlett Learning, 2022 - 40 ISBN: 9781284229417 Subjects--Topical Terms: COVID-19 (Disease) Emergency medical services -- Study and teaching National Library of Medicine Call No.: WC 501 / P771