000 00258nam a2200121Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aC M OTTO
245 0 _aVALVULAR HEART DISEASE
250 _a2ND
300 _a598
650 _aCardiology
942 _cMEDI
999 _c7736
_d7736