TY - JOUR T1 - CHronic bright's disease (arterio-capilxary fibrosis) in its relations to insanity. AU - CHRISTIAN EA Y1 - 1889/03/23 N1 - 10.1001/jama.1889.02400890001001 JO - Journal of the American Medical Association SP - 397 EP - 403 VL - XII IS - 12 N2 - Efforts to frame a satisfactory etiological classification of mental disease have been materially helped by a resort to a clinical grouping of cases. It has been recognized that where a wide variation exists in the causes assigned for the production of insanity in any given series of cases, among certain of them "groups of symptoms" are manifested which point to a definite constantly acting cause. "In many instances we know absolutely that such a cause exists. Even if we do not know that a specific cause is antecedent to the development of a certain form of disease, we are justified in inferring, where symptoms are identical, an identity of cause." Acting upon this theory, it has been possible to frame a rational classification or "clinical grouping" that has simplified much that has hitherto been unsatisfactory and obscure. In spite, however, of the material assistance thus afforded, the lack of a SN - 0002-9955 M3 - doi: 10.1001/jama.1889.02400890001001 UR - http://dx.doi.org/10.1001/jama.1889.02400890001001 ER -