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Biology, 02.08.2019 23:10 lrasanaoaksandfurana
After listening to janetta's heart for several seconds, her doctor told janetta that she has an incompetent right atrioventricular (av) valve. what did janetta's doctor hear that led to that conclusion?
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After listening to janetta's heart for several seconds, her doctor told janetta that she has an inco...
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