title: Some risk in varicella vaccine use.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D002644:Chickenpox / Q000517:prevention & control*; D006801:Humans; D007938:Leukemia / Q000150:complications* / Q000188:drug therapy; D012306:Risk; D014765:Viral Vaccines
chemical_list: D000970:Antineoplastic Agents; D014765:Viral Vaccines