Objective: Search metabolize of ALA take orally on skin and tumor, seek first-rank dose and diagnostic time of ALA take orally.
目的：探求ALA口服在皮肤及皮肤肿瘤中的代谢，寻求皮肤肿瘤光敏诊断最佳的ALA口服剂量及时间。
2
Objective in order to search a new early diagnostic method for bladder carcinoma.
目的探讨膀胱癌早期诊断的新的无创性检查方法。
3
It is a key task for cancer research to search novel prognostic marker, improve early diagnostic rate, and new target of molecular targeted therapy of gastric cancer.