Select all of the responses which are correct.
Which of the following is/are elements of the classical
definition of epidemiology?
a. Study of the distribution and determinants of disease
frequencies.
b. Application of what is learned to health problems in humans
and other mammals.
c. Provides evidence to prove causality for exposure-disease
relationships.
d. Includes tentative acceptance or rejection of hypotheses
through collection of blinded data on disease incidence.
