Great advances have been made in the diagnosis, the control and the treatment of viral and rickettsial diseases in the last few years. They have resulted from intensive research carried out by laboratory workers, with the patient assistance of the practicing physician. The latter has been putting his time and effort into a long term investment which has now begun to pay dividends. My main object here is to advise him how to use his dividends wisely and how to avoid spending the principal unwittingly. I shall point out those methods which are now sufficiently well developed and standardized to be employed as routine diagnostic procedures. These every physician has a right to expect will be made available to him. In addition, I shall mention those procedures which are still so highly specialized that competent research workers are required for their satisfactory accomplishment. These research procedures are not the physician's
SMADEL JE. THE PRACTITIONER AND THE VIRUS DIAGNOSTIC LABORATORY. JAMA. 1948;136(17):1079–1081. doi:10.1001/jama.1948.02890340005002
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