%0 Journal Article %A A. J. CLARK %A P. HAMILL %T OBSERVATIONS ON THE CHANGES IN THE CIRCULATORY SYSTEM IN PERIODIC RESPIRATION %D 1914 %J Journal of Pharmacology and Experimental Therapeutics %P 357-367 %V 5 %N 4 %U https://jpet.aspetjournals.org/content/jpet/5/4/357.full.pdf