title: Double trouble: cancer in twins.
authors.affiliation: Cancer Therapy Evaluation Program, NCI, Bethesda, Maryland 20892, USA. smithm@ctep.nci.nih.gov
authors.forename: Malcolm
authors.initials: M
authors.lastname: Smith
mesh_terms: D004200:Diseases in Twins / Q000453:epidemiology*; D006801:Humans; D007938:Leukemia / Q000453:epidemiology*; D008228:Lymphoma, Non-Hodgkin / Q000453:epidemiology*; D009369:Neoplasms / Q000453:epidemiology*; D009447:Neuroblastoma / Q000453:epidemiology*; D012307:Risk Factors; D018433:Twin Studies as Topic / Q000706:statistics & numerical data