Two cats housed in a glass box, one of which had received a small amount of atropine in the preliminary experiment, are exposed to ether vapors with the result that only the animal which had not been pretreated began to salivate (profusely).
2009
1912
1991
2017
1999
2006
1968
2002
2004
1997
1996
1978
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2018
1966
1994