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JAMA. 1953;152(8):755. doi:10.1001/jama.1953.03690080099027.
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Congress for Angiology and Histopathology.  —The first Congress for Angiology and Histopathology was held in Paris Oct. 14-16, 1952, under the presidency of Professor Cailliau. Abnormal capillary function was the principal subject. Burstein (Paris) read a paper on experimental pharmacodynamics and disturbances of vasomotor function. V. Jabonero (Oviedo) discussed the efferent innervation of the vascular walls. He explained that the autonomy of the nervous system of the vascular wall depends on the neural relay along the vessels, which, according to Leriche and others, makes the vascular nerve system partly independent of the central nervous system. The author used several staining techniques but got the best results with Masson's argentic technique performed at high temperature, followed by Cajal's technique performed at a low temperature.B. N. Halpern (Paris) reported on abnormal capillary permeability. The importance of the problem derives from the fact that all fluid exchanges between tissues depend essentially on


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