by Park, John J., McKee, Martin, Atun, Rifat
Published in American journal of public health (1971) (01.10.2017)

by Wolitz, Rebecca E
Published in The Journal of legal medicine (Chicago. 1979) (01.04.2019)

by Bollyky, Thomas J, Cockburn, Iain M, Berndt, Ernst
Published in Clinical trials (London, England) (01.12.2010)

by Levi, Michael, van Duyne, Petrus C.
Year of Publication 2005

by Lane, David A., Kramer, Michael S.
Published in Journal of clinical epidemiology (01.12.1999)

by Pisano, D J
Published in The Journal of law, medicine & ethics (01.12.1996)