by
Aschengrau, Ann.
Format:
Books
Publication Date
2014
Excerpt:
approach to causation -- Screening in public health practice -- Ethics in research involving human
by
Webb, Penny, 1963-
Format:
Books
Publication Date
2011
Excerpt:
? Measuring disease frequency; 3. Who, what, where and when? Descriptive epidemiology; 4. Healthy research