Efficacy and safety of B-mode ultrasound-guided percutaneous transhepatic gallbladder drainage combined with laparoscopic cholecystectomy for acute cholecystitis in elderly and high-risk patients
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2018 ◽
Vol 113
(Supplement)
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pp. S441
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2006 ◽
Vol 15
(3)
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pp. 159-164
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