617.41 Cardiovascular system
617.412 Heart
617.41201 Heart surgery--complications 617.4120233 Heart surgery--technicians--role and function 617.4120592 Artificial heart--surgery 617.4120597 Heart--endoscopic surgery 617.4120598 Heart--laser surgery 617.4120645 Artificial cardiac pacing--medicine 617.412092 Heart surgeons
Dewey Decimal Classification
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