2010- 2- 7
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أكـاديـمـي
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مهم لختبار البايستتك
عندي كذا سوال ابي اتاكد من جوابهم اذا امكن
15) method which consist of
prospective and retrospective study.
a) De************************ive
b) Analytic
c) Experimental
d) Preventive
12) the case - control method may be preferred if
either of the following
a) a disease is relatively rare and would require a large cohort for follow up .
b) Several occupations or substances that may be associated with the disease.
c) Usually in mortality studies.
d) A+b
e) A+b+c
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