THE SINO-VENTRICULAK SYSTEM 167 



The iiiaiii ])<)ints of difference in the results of the iiivestij2;ations 

 of Aagaard and Hall and my own are that I found no difficulty 

 in injecting the pigs heart or the right ventricle and Tawara's 

 node in bovine hearts and that my injections are somewhat 

 more complete. However, I was unfamiliar with the interesting 

 historical aspects of the question revealed by Aagaard and Hall 

 and did not succeed in injecting a few hearts of newborn colts. 



REFERENCES 



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