by Kopf, E W
Published in American Journal of Public Health and the Nation's Health (01.12.1918)

by Fales, W T, Kopf, E W, Tobey, J A
Published in American Journal of Public Health and the Nation's Health (01.08.1927)

by Kopf, E W
Published in Research in nursing & health (01.10.1978)

by Kopf, Edwin W
Published in American Journal of Public Health and the Nation's Health (01.12.1922)

by Kopf, Edwin W.
Published in American journal of public health (1912) (01.03.1926)

by Kopf, Edwin W.
Published in American journal of public health (1912) (01.03.1926)

by Kopf, Edwin W
Year of Publication 1928

by Kopf, Edwin W.
Published in Public health reports (1896) (15.06.1917)

by Kopf, Edwin W.
Published in Publications of the American Statistical Association (01.12.1916)

by Dublin, Louis I, Kopf, Edwin W
Published in Publications of the American Statistical Association (01.01.1912)

by Dublin, Louis I., Kopf, Edwin W.
Published in Publications of the American Statistical Association (01.06.1916)

by Kopf, Edwin W.
Published in Science (American Association for the Advancement of Science) (07.03.1919)

by Dublin, Louis I., Kopf, Edwin W., VanBuren, George H.
Published in The American journal of nursing (01.11.1919)

by Guilfoy, William H., Kopf, Edwin W., Doten, C. W.
Published in Publications of the American Statistical Association (01.12.1917)

by Dublin, Louis I., Kopf, Edwin W., VanBuren, George H.
Published in The American Journal of Nursing (01.11.1919)

by Dublin, Louis I., Kopf, Edwin W.
Published in Publications of the American Statistical Association (01.09.1919)

by Dublin, Louis I., Kopf, Edwin W.
Published in Publications of the American Statistical Association (01.12.1913)

by Newsholme, Arthur
Published in Quarterly Publications of the American Statistical Association (01.03.1920)

by Burhop, W. H., Crum, Frederick S., Hatch, Leonard D., Moore, George D., Kopf, Edwin W.
Published in Publications of the American Statistical Association (01.09.1919)