[The problem of quality control in clinical chemical laboratories: list of the natural standards currently required in Italy].
D002624:Chemistry, Clinical / Q000592:standards*; D019411:Clinical Laboratory Techniques / Q000592:standards*; D007558:Italy; D007753:Laboratories / Q000592:standards*
Il problema del controllo di qualità nei laboratori di chimica clinica: elenco degli standard naturali attualmente reperibili in Italia.