1. 1
    by Rothman, Kenneth J.
    Published 1986
    Subjects
    Book
  2. 2
    Published 1996
    Subjects ...Epidemiology Research Methodology....
    Book
  3. 3
    by Rothman, Kenneth J.
    Published 2008
    Subjects
    Publisher description
    Table of contents only
    Book
  4. 4
    by Adèr, Herman J.
    Published 2008
    Subjects ...Research Methodology....
    Book