. "klinisch onderzoek"@nl . "ensayu cl\u00EDnicu"@ast . . . . "Biliary Stenting With or Without Photodynamic Therapy in Treating Patients With Locally Advanced, Recurrent, or Metastatic Cholangiocarcinoma or Other Biliary Tract Tumors That Cannot Be Removed by Surgery"@en . "Photostent-02"@en . . . . "18"^^ . . . "\u043A\u043B\u0456\u043D\u0456\u0447\u043D\u0435 \u0432\u0438\u043F\u0440\u043E\u0431\u0443\u0432\u0430\u043D\u043D\u044F"@uk . . "2009-12-01T00:00:00Z"^^ . . . . . "ensayo cl\u00EDnico"@es . . . "NCT00513539" . . . . . "92"^^ . "clinical trial"@en . . . . "2007-07-01T00:00:00Z"^^ . . "Biliary Stenting With or Without Photodynamic Therapy in Treating Patients With Locally Advanced, Recurrent, or Metastatic Cholangiocarcinoma or Other Biliary Tract Tumors That Cannot Be Removed by Surgery"@en . . . . "Porfimer Sodium Photodynamic Therapy Plus Stenting Versus Stenting Alone in Patients With Advanced or Metastatic Cholangiocarcinomas and Other Biliary Tract Tumours: a Multicentre, Randomised, Phase Lll Study"@en . . "Biliary Stenting With or Without Photodynamic Therapy in Treating Patients With Locally Advanced, Recurrent, or Metastatic Cholangiocarcinoma or Other Biliary Tract Tumors That Cannot Be Removed by Surgery"@en .