Q8394. Reservoir is defined as ?

Q8396. Not included in Bradford Hill's criteria ?

Q8397. Most important criterian in causal relationship hypothesis ?

Q8398. The weakest criterian in causal relatianship hypothesis?

Q8399. Benefit of screening is ?

Q8400. Multiphasic screening means-

Q8401. Randomization is done to reduce ?

Q8402. Benefit of RCT ?

Q8403. Most commonly used blinding technique in epidemiological studies ?

Q8404. Most effective blinding technique ?

Q8405. Which of one of the following is NOT a utilization rate?

Q8406. Calculate IMR if in a population of 100000 there are 3000 live births in a year and 150 infant deaths in the same year -

Q8407. True about combined prospective- retrospective study true is ?

Q8408. Proportional mortality rate is ?

Q8409. Population attributable risk is defined as the difference between:

Q8410. Slection bias occurs during ?

Q8411. Selection bias occurs mainly in

Q8413. Bladder cancer can occur in those who are working in chimney for 25 years. Which is the best study for this relationship ?

Q8414. Which is an example of case control study ?