@book{314,
	author = {Elmore Joann G and Wild Dorothea M.G},
	title = {Jekel's Epidemiology, Biostatistics, Preventive Medicine and Public Health},
	publisher = {Elsevier},
	year = {2020},
	address = {Missouri},
	edition = {5th},
	note = {includes index and reference}
}