bsonSeleeIzzyv bsonSeleeIzzyv

28-04-2016
Biology

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A case-control design _______________. Select one:
a. is often the most expensive design option available. b. may be less time consuming that other designs. c. is good to study outcomes that are rare. d. b and c.

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liamBedford liamBedford

28-04-2016

I think it is but i downt know

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