title: Structural analysis of HPD.
authors.forename: D
authors.initials: D
authors.lastname: Kessel
mesh_terms: D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins / Q000737:chemistry*; D013329:Structure-Activity Relationship
chemical_list: D006415:Hematoporphyrins; D017324:Hematoporphyrin Derivative