McKhann et al., 2011, Alzheimerâs & Dementia Possible AD â¢ Atypical course (e.g., sudden onset or no evidence of progressive decline) â¢ Etiologically mixed presentation â¢ Concomitant cerebrovascular disease (e.g., history of stroke temporally related to cognitive
Ellen Louise Ripley is a fictional character and the protagonist of the Alien film series played by American actress Sigourney Weaver.
Dennis Weaver Biography. Dennis Weaver. William Dennis Weaver, born June 4, 1924 in Joplin, Missouri, was a famous American actor, best known for his work in television, including roles on such series as â Gunsmoke â and as Officer Sam McCloud on a 1971 detective series on NBC entitled âMcCloudâ.