标题（Title） 一般不超过80个字符
The Canadian Laser Aesthetic Surgery Society (CLASS) - Dedicated to educational excellence in cosmetic laser surgery.
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关键词（KeyWords）一般不超过100个字符
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描述（Description）一般不超过200个字符
CLASS is active in the dissemination of information, education, preceptorship and promotion of quality in all forms of aesthetic laser surgery. CLASS was founded on the principle that the pursuit of excellence is best achieved by collaboration between medical specialties.
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