title: Enhanced uptake of drugs in liposomes: use of labile vitamin B12 complexes of 6-mercaptopurine and 8-azaguanine.
mesh_terms: D001375:Azaguanine / Q000008:administration & dosage / Q000378:metabolism*; D008081:Liposomes / Q000378:metabolism*; D015122:Mercaptopurine / Q000008:administration & dosage / Q000378:metabolism*; D014677:Pharmaceutical Vehicles; D010713:Phosphatidylcholines; D012995:Solubility; D014805:Vitamin B 12 / Q000378:metabolism*
chemical_list: D008081:Liposomes; D014677:Pharmaceutical Vehicles; D010713:Phosphatidylcholines; D015122:Mercaptopurine; D014805:Vitamin B 12; D001375:Azaguanine