Article Citation
Cazemier M, Felt-Bersma R, Cuesta M, Mulder C. Elastic band ligation of hemorrhoids: Flexible gastroscope or rigid proctoscope? World J Gastroenterol 2007; 13(4): 585-587 [PMID: 17278225 DOI: 10.3748/wjg.v13.i4.585]
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