TY - JOUR AU - Tully, L AU - Parsons, T. AU - Steighner, R AU - Holland, M AU - Marino, M AU - Prenger, V C2 - American Journal of Human Genetics DA - 2000-08-01 LA - en M1 - 67 PB - American Journal of Human Genetics PY - 2000 TI - A Sensitive Denaturing Gradient-Gel Electrophoresis Assay Reveals a High Frequency of Heteroplasmy in Hypervariable Region 1 of the Human mtDNA Control Region ER -