J G Howie, G A Clark. Show Affiliations »
Abstract
Entities: Chemical Disease
Mesh: See more » AbsenteeismAdultAmpicillin/therapeutic useChronic DiseaseClinical Trials as TopicCommon Cold/drug therapyDemeclocycline/adverse effectsDemeclocycline/therapeutic useDrug SynergismHumansInformation SystemsMaleMiddle AgedNasal Mucosa/metabolismPlacebosPunched-Card SystemsRespiratory Tract Infections/drug therapyRespiratory Tract Infections/epidemiologySmoking/complicationsSputumSurveys and QuestionnairesTime Factors
Substances: See more » PlacebosDemeclocyclineAmpicillin
Year: 1970 PMID: 4097904 DOI: 10.1016/s0140-6736(70)92294-4
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321