A number of bodies more or less closely resembling serum albumin are at times to be found in the urine, and, while albumin is, of course, always looked for, and the rarer substances resembling it (with the possible exception of nucleo-albumin) are seldom present, yet there can be little question but that even when they are, they are as often overlooked as noted. Of late years the reactions pertaining to this class of rarer bodies have been rendered easily available through collection in standard works, but it would seem that more attention might have been given to plans for a systematic examination of urine for all albuminoid bodies. Great ingenuity has been displayed in devising "tests" by which, if anything but the substance sought is present, the analyst will not find it. The systematic covering of ground that will show something out of the ordinary when such exists, however, has been neglected. This lack of system is unscientific and the methods more complicated than necessary, as it is only requisite to use—in proper order—reactions already well known, to classify on a
DALE JE. THE SYSTEMATIC EXAMINATION OF THE URINE FOR THE RARER ALBUMINOID BODIES. JAMA. 1910;LIV(3):207–208. doi:10.1001/jama.1910.92550290003002h
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