@book{19560,
	author = {Fred F.Ferri},
	title = {Ferri's clinical advisor 2021 / Fred F. Ferri, MD, FACP, clinical professor, Department of Medicine, Warren Alpert Medical School, Brown University, Providence, Rhode Island.},
	publisher = {Elsevier,},
	year = {[2021]},
	address = {Philadelphia, PA :}
}