Environmental risk factors in Parkinson's diseaseWilliam C. Koller, Caroline M. Tanner, T. D. Y. Chin et al.|Neurology|1990Cited by 260
Acute and chronic effects of propranolol and primidone in essential tremorWilliam C. Koller, Bridget Vetere-Overfield|Neurology|1989Cited by 197
Tremors in Early Parkinsonʼs DiseaseWilliam C. Koller, Ruth Barter, Bridget Vetere-Overfield|Clinical Neuropharmacology|1989Cited by 192
Sexual Dysfunction in Parkinsonʼs DiseaseWilliam C. Koller, David B. Parrish, Bridget Vetere-Overfield et al.|Clinical Neuropharmacology|1990Cited by 100
Failure of Fixed-Dose, Fixed Muscle Injection of Botulinum Toxin in TorticollisWilliam C. Koller, Richard Dubinsky, Carolyn Steele Gray et al.|Clinical Neuropharmacology|1990Cited by 40