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0CHA Salivary Gland
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0CHA0 Open
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0CHA3 Percutaneous
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0CHA7 Via Natural or Artificial Opening
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0CHA8 Via Natural or Artificial Opening Endoscopic
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0CHAX External
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0CHAX1 Radioactive Element
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0CHAXB Intraluminal Device, Airway
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0CHAXY Other Device
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