一般注記 |
Current clinical and investigational uses of contrast echocardiography, c1996: credit frame (William F. Armstrong, M.D., F.A.C.C., Univ. of Mich. Hosp.) SRC:Feigenbaum's echocardiography / Harvey Feigenbaum, William F. Armstrong, Thomas Ryan (Lippincott Williams & Wilkins, c2005)
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