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IP address: 3.233.232.21
Time: 2024-03-29T14:20:10Z
URL: http://scholar.google.com/scholar_lookup?title=In+vitro+responses+of+neurons+in+the+periaqueductal+gray+to+hypoxia+and+hypercapnia&year=1999&author=Kramer&journal=Brain+Res&volume=835&issue=2&pages=197-203&doi=10.1016%2FS0006-8993%2899%2901578-4&pmid=10415374