472 A RANDOMIZED CONTROLLED TRIAL COMPARING PERORAL ENDOSCOPIC MYOTOMY (POEM) VERSUS LAPAROSCOPIC HELLER MYOTOMY WITH FUNDOPLICATION IN THE TREATMENT OF ACHALASIA
2019 ◽
Vol 89
(6)
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pp. AB84
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2008 ◽
Vol 248
(6)
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pp. 1023-1030
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2004 ◽
Vol 239
(3)
◽
pp. 364-370
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2017 ◽
Vol 85
(5)
◽
pp. AB184-AB185
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2017 ◽
Vol 22
(1)
◽
pp. 13-22
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