AHLQUIST, R E Fluorescence of the extrahepatic biliary system following parenteral hematoporphyrin administration. [electronic resource] - Surgical forum 1956 - 356-8 p. digital Publication Type: Journal Article ISSN: 0071-8041 Subjects--Topical Terms: Bile Ducts, ExtrahepaticBiliary Tract--drug effectsFluorescenceHematoporphyrinsHumansPharmaceutical PreparationsPorphyrins--pharmacology