title: Defective poly(adenosine diphosphoribose) synthesis in xeroderma pigmentosum.
mesh_terms: D002460:Cell Line; D006801:Humans; D007700:Kinetics; D008214:Lymphocytes / Q000187:drug effects / Q000378:metabolism / Q000528:radiation effects; D008769:Methylnitronitrosoguanidine / Q000494:pharmacology; D009702:Nucleoside Diphosphate Sugars / Q000096:biosynthesis*; D011064:Poly Adenosine Diphosphate Ribose / Q000096:biosynthesis*; D014466:Ultraviolet Rays; D014983:Xeroderma Pigmentosum / Q000378:metabolism*
chemical_list: D009702:Nucleoside Diphosphate Sugars; D008769:Methylnitronitrosoguanidine; D011064:Poly Adenosine Diphosphate Ribose