With regard to quality of literatures, the evidence with lowest quality is ( )
A: Meta-analysis
B: Expert opinion
C: Case-control studies
D: Randomized controlled trials
A: Meta-analysis
B: Expert opinion
C: Case-control studies
D: Randomized controlled trials
举一反三
- Our goods are of best ( ) and lowest ( ). A: quality; quantity B: quality; price C: price; quality D: price; quantity
- Using chemical analysis and instrumental analysis to determine drug content is referred to as ( ) in drug quality standards. A: potency determination B: biological standardization C: content determination D: drug control
- The Quality Control staff is responsible_____the quality of the products that come out of the factory
- Project Quality Control
- Our goods ( ) best quality and lowest price. A: are B: with C: are of D: is of