An Association Between a Microsatellite Polymorphism at the DRD5 Gene and the Liability to Substance Abuse: Pilot Study Michael M. VanyukovHoward B. MossRalph E. Tarter OriginalPaper Pages: 75 - 82
Genetic Effects on ADHD Symptomatology in 7- to 13-Year-Old Twins: Results from a Telephone Survey Teresa S. NadderJudy L. SilbergJoanne M. Meyer OriginalPaper Pages: 83 - 99
Environmental Influences that May Precede Fertilization: A First Examination of the Prezygotic Hypothesis from Maternal Age Influences on Twins Caleb E. FinchJohn C. Loehlin OriginalPaper Pages: 101 - 106
Longitudinal Genetic Analysis of Menstrual Flow, Pain, and Limitation in a Sample of Australian Twins S. A. TreloarN. G. MartinA. C. Heath OriginalPaper Pages: 107 - 116
Voluntary Sodium Chloride Consumption by Mice: Differences Among Five Inbred Strains Alexander A. BachmanovMichael G. TordoffGary K. Beauchamp OriginalPaper Pages: 117 - 124
Genotypic Differences Between C57BL/6 and A Inbred Mice in Anxiolytic and Sedative Actions of Diazepam Kennon M. GarrettIwona NiekraszThomas W. Seale OriginalPaper Pages: 125 - 136
Wing—Beat Frequency Mutants and Courtship Behavior in Drosophila melanogaster males Phillip T. BarnesLisa SullivanAdriana Villella OriginalPaper Pages: 137 - 151
Influence of Early Environment on the Circadian Period of the Tau-Mutant Hamster Roberto Refinetti OriginalPaper Pages: 153 - 158