Hello world, for a comparative study I'm looking for informations about the CSF resistance to outflow in mammalia, amphibians and birds. ..like to hear/read from YOU - thanks in advance -- HE Heissler phone: +49-511-532-3774 Medizinische Hochschule Hannover fax : +49-511-532-2751 Neurochirurgische Klinik 7249 email: 100073,2272 at compuserve.com D-30623 Hannover Germany