Use and abuse of clinical laboratories.
D019411:Clinical Laboratory Techniques / Q000191:economics*; D003365:Costs and Cost Analysis; D006300:Health Services Misuse; D006801:Humans; D007753:Laboratories / Q000706:statistics & numerical data*; D013677:Medical Laboratory Science / Q000191:economics; D009098:Multiphasic Screening / Q000706:statistics & numerical data; D009520:New Zealand