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JAMA. 1970;211(12):2009-2010.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

A recent issue of Laboratory Medicine, the junior journal of the American Society of Clinical Pathologists, offers a list of more than 170 commercially available products for screening tests.¹ Most are of American manufacture, coming from more than 60 drug companies and laboratory supply houses.

There is an obvious competition for the technical dollar. The offerings vary from simple reagentloaded papers a patient may use for testing his own urine to fairly elaborate procedures requiring more technical experience than is possessed by most practicing physicians.

Diagnostic kits and "package" tests are usually accompanied by adequate instructions; but, as the "Word of Caution" notes, "Careful attention to details and... close supervision by qualified workers" are still required if the results obtained are to be regarded as valid.

Where is the hospital laboratory that has the time and talent to manufacture all the reagents it uses? What bacteriology unit can afford . . . [Full Text PDF of this Article]

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