Which of the following items are among the uses of epidemiology?
(a) To study historically the rise and fall of the diseases
(b) To arrive at community diagnosis
(c) To identify syndromes
(d) All of these
Which of the following items are among the uses of epidemiology?
(a) To study historically the rise and fall of the diseases
(b) To arrive at community diagnosis
(c) To identify syndromes
(d) All of these