Functional obstruction of the left ventricle, (Acquired aortic subvalvular stenosist)

B ~ k e r . C+. a , d Sr~mcrvi|lt~ J.: Clinic*~l G:~ll u r e s arid stir#t~.] trl;-atmelit o f fifty pat/enid; w i t h s e v e r e a o + i c strait+is+ C3uy'~.+ Ilo~p.Hep+ IC~:IOI, 1959+

tit.nt~

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p r i o r t o St+g¢~/+ AI+,~+,i+t~++
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