Environmental influences on lactose tolerance Ronald C. JohnsonEdward P. AyauKaren Fjelstad OriginalPaper Pages: 313 - 330
Testing genetic models for multiple symptoms: An application to the genetic analysis of liability to depression L. J. EavesN. G. MartinK. S. Kendler OriginalPaper Pages: 331 - 341
Recruitment bias in twin research: The rule of two-thirds reconsidered D. T. LykkenM. McGueA. Tellegen OriginalPaper Pages: 343 - 362
Genetic and environmental factors in primary dysmenorrhea and its relationship to anxiety, depression, and neuroticism J. L. SilbergN. G. MartinA. C. Heath OriginalPaper Pages: 363 - 383
Genetic control of the search tactic ofDrosophila melanogaster: An ethometric analysis ofrover/sitter traits in adult flies Keith J. NagleWilliam J. Bell OriginalPaper Pages: 385 - 408
Rare-male mating advantage: An artifact caused by differential storage conditions? Peter Knoppien OriginalPaper Pages: 409 - 425