1986
A Study of Respiratory Effects from Exposure to 2 ppm Formaldehyde in Healthy Subjects
Schachter E, Witek T, Tosun T, Leaderer B, Beck G. A Study of Respiratory Effects from Exposure to 2 ppm Formaldehyde in Healthy Subjects. Archives Of Environmental & Occupational Health 1986, 41: 229-239. PMID: 3767432, DOI: 10.1080/00039896.1986.9938338.Peer-Reviewed Original ResearchConceptsHealthy subjectsUpper airwaySeparate daysMaximal flow-volume curvesLower airway symptomsFlow-volume curvesAirway responsesAirway symptomsPulmonary functionRespiratory symptomsSignificant bronchoconstrictionLung functionSymptom diaryAirway resistanceIrritative phenomenaModerate exercisePhysiologic alterationsRespiratory effectsSubjective complaintsBaseline responsivenessFA exposureHealthy individualsIrritative propertiesRespiratory systemSuch exposure
1985
Respiratory symptoms associated with sulfur dioxide exposure
Witek T, Schachter E, Beck G, Cain W, Colice G, Leaderer B. Respiratory symptoms associated with sulfur dioxide exposure. International Archives Of Occupational And Environmental Health 1985, 55: 179-183. PMID: 3988360, DOI: 10.1007/bf00378381.Peer-Reviewed Original ResearchConceptsAsthmatic subjectsHealthy subjectsDose-dependent bronchoconstrictionLower airway symptomsUpper airway complaintsSeverity of complaintsLower respiratory complaintsSulfur dioxide exposureAirway complaintsAirway symptomsChest tightnessRespiratory symptomsRespiratory complaintsClinical significanceSymptomsComplaintsAsthmaticsSubjective responsesSensitive individualsSubjectsExposureLevels of SO2DyspneaBronchoconstrictionSeverity
1984
Airway Effects of Low Concentrations of Sulfur Dioxide: Dose-Response Characteristics
Schachter E, Witek T, Beck G, Hosein H, Colice G, Leaderer B, Cain W. Airway Effects of Low Concentrations of Sulfur Dioxide: Dose-Response Characteristics. Archives Of Environmental & Occupational Health 1984, 39: 34-42. PMID: 6370145, DOI: 10.1080/00039896.1984.10545831.Peer-Reviewed Original ResearchConceptsAsthmatic subjectsVital capacityPartial flow-volume curvesAcute respiratory effectsTotal lung capacityMaximal expiratory flowAbsence of exerciseKpm/minEnd of exerciseFlow-volume curvesDose-response relationshipDose-response characteristicsAirway effectsExpiratory volumeAirway resistanceLung capacitySignificant changesExpiratory flowRespiratory effectsHealthy subjectsHealthy individualsSeparate daysMin subjectsVolume curvesVmax50