Cheap research is likely to be biased.
White
Adrian
A
Hart
Anna
A
D015982:Bias; D000529:Complementary Therapies / Q000191:economics*; D003362:Cost-Benefit Analysis; D005260:Female; D006801:Humans; D008297:Male; D015337:Multicenter Studies as Topic; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic / Q000191:economics* / Q000592:standards; D012107:Research Design; D012680:Sensitivity and Specificity