Al-Nakib, W Failure of intranasally administered 4', 6-dichloroflavan to protect against rhinovirus infection in man. [electronic resource] - Archives of virology 1987 - 255-60 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0304-8608 Standard No.: 10.1007/BF01317482 doi Subjects--Topical Terms: Administration, IntranasalAdultAgedAntiviral Agents--administration & dosageClinical Trials as TopicCommon Cold--prevention & controlDouble-Blind MethodFemaleFlavonoids--administration & dosageHumansMaleMiddle Aged