In a prospective study, 1200 patients were randomly selected to study the effect of a new drug. The drug will be given for 5 years and its association with cataract will be studied. What tyepe of study is this?

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In a prospective study, 1200 patients were randomly selected to study the effect of a new drug. The drug will be given for 5 years and its association with cataract will be studied. What tyepe of study is this?

Consumption of which of the following poison produce bluish discoloration of stomach…

The following angle is associated with fracture of

The following statements concerning the abdominal part of the sympathetic trunk are…