Animal 91ÃÛÌÒ¸óAnimal 91ÃÛÌÒ¸óJohnson LaboratoryAging studies usingÌýthe nematode wormÌýCaenorhabditis elegansMolecular Neurogenetics LaboratoryStudies ofÌýnicotinic cholinergic receptor (nAChR) subunit genes using mouse 91ÃÛÌÒ¸ó.Genetics of Substance Abuse LaboratoryUsing mouse 91ÃÛÌÒ¸ó to study the genetics of alcohol and nicotine behaviors.ÌýHoeffer LabAnimal 91ÃÛÌÒ¸óTom Johnson LaboratoryHuman 91ÃÛÌÒ¸ó Studies