Clinical research of diagnosis for lymph node metastases of gastrointestinal cancer by using 5-aminolevulinic acid
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资源简介：
Interventions: Oral administration of 5-aminolevulinic acid before surgery Primary outcome(s): evaluation of the diagnosis rate of the lymph node metastasis Study Design: Single arm Non-randomized
创建时间：
2009-06-15
