Quality--a moving and elusive target.
Barlow
J F
JF
D019411:Clinical Laboratory Techniques / Q000191:economics*; D003362:Cost-Benefit Analysis; D005243:Feces / Q000382:microbiology / Q000469:parasitology; D006801:Humans; D011237:Predictive Value of Tests; D011785:Quality Assurance, Health Care / Q000191:economics*