Bailey-Wilson, Joan Ellen2023-05-172023-05-171981https://hdl.handle.net/1805/33060This document only includes an excerpt of the corresponding thesis or dissertation. To request a digital scan of the full text, please contact the Ruth Lilly Medical Library's Interlibrary Loan Department (rlmlill@iu.edu).en-USHuman geneticsTwinsGenetics, MedicalTwinsDissertation