Authors: Bernie Y Sunwoo; Nicholas Jackson; Greg Maislin; Indira Gurubhagavatula; Charles F George; Allan I Pack Journal: Sleep Date: 2012-01-01 Impact factor: 5.849
Authors: J K Walsh; M J Muehlbach; T M Humm; Q S Dickins; J L Sugerman; P K Schweitzer Journal: Psychopharmacology (Berl) Date: 1990 Impact factor: 4.530