Ligation of internal hemorrhoids and CO_2 Lasar resection of external hemorrhoids, were applied for 42 cases of mixed hemorrhoids, and all cases were cured.
本文报道用内痔结扎、外痔二氧化碳激光切除治疗混合痔42例，全部治愈。
Lasar is one of the most sensational developments in recent year, because of its applicability to many fields of science and its adaptability to practical USES.
激光可以应用于许多科学领域，又适合于各种实际用途，因此成了近年来轰动一时的科学成就之一。
Lasar is one of the most sensational developments in recent year, because of its applicability to many fields of science and its adaptability to practical USES.
激光可以应用于许多科学领域，又适合于各种实际用途，因此成了近年来轰动一时的科学成就之一。
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