Drug abuse Genetic aspects Grammar, Comparative and general Syntax Cancer Drugs of abuse Generative grammar Human chromosome abnormalities Narcotics Physiological effect Prevention Biography Breast Carcinogens Cast-iron Congresses English language Environmentally induced diseases Epstein, Samuel, jt. author Government-binding theory (Linguistics) Grammar, Generative Hazardous wastes Human chromosomes abnormalities Juvenile literature Law and legislation Maps Minimalist theory (Linguistics) Ocean Paleontology Political aspects