@book{11912,
	author = {Jekel`s epidemiology, biostatistics, preventive medicine, and public health and Katz, David L.},
	title = {Jekel's epidemiology, biostatistics, preventive medicine, and public health /},
	publisher = {Elsevier (Singapore) Pte. Ltd,},
	year = {©2020.},
	address = {Singapore :},
	edition = {Fifth edition},
	note = {Includes index}
}