Doraisingham, S Patterns of viral respiratory tract infections in Singapore. [electronic resource] - Annals of the Academy of Medicine, Singapore Jan 1986 - 9-14 p. digital Publication Type: Journal Article ISSN: 0304-4602 Subjects--Topical Terms: Adenovirus Infections, Human--epidemiologyAdolescentAdultChildChild, PreschoolEnterovirus Infections--epidemiologyHumansInfantInfant, NewbornInfluenza, Human--epidemiologyParamyxoviridae Infections--epidemiologyRespiratory Tract Infections--epidemiologyRespirovirus Infections--epidemiologyRetrospective StudiesSeasonsSingaporeVirus Diseases--epidemiology