1991
Plasma ascorbic acid and beta-carotene levels in women evaluated for HPV infection, smoking, and cervix dysplasia.
Basu J, Palan PR, Vermund SH, Goldberg GL, Burk RD, Romney SL. Plasma ascorbic acid and beta-carotene levels in women evaluated for HPV infection, smoking, and cervix dysplasia. Cancer Epidemiology 1991, 15: 165-70. PMID: 1647869.Peer-Reviewed Original ResearchConceptsBeta-carotene levelsHPV infectionCervical dysplasiaClinical statusPap smearPeripheral venous blood samplesImportance of smokingRepeat Pap smearHuman papillomavirus infectionAbnormal Pap smearsVenous blood samplesGrades of severityPlasma ascorbic acidAscorbic acid levelsCervix dysplasiaColposcopy clinicHPV statusPapillomavirus infectionLavage specimenPlasma levelsMean plasmaDysplastic groupBlood samplesDysplasiaSmoking
1989
Effects of smoking and oral contraception on plasma β-carotene levels in healthy women
Palan P, Romney S, Vermund S, Mikhail M, Basu J. Effects of smoking and oral contraception on plasma β-carotene levels in healthy women. American Journal Of Obstetrics And Gynecology 1989, 161: 881-885. PMID: 2801833, DOI: 10.1016/0002-9378(89)90742-4.Peer-Reviewed Original ResearchConceptsPlasma beta-carotene levelsBeta-carotene levelsOral contraceptive usersCigarette smokingHealthy womenOral contraceptionRetinol levelsContraceptive usersPlasma concentrationsLower plasma beta-carotene levelOral contraceptive usageOral contraceptive useEffect of smokingNormal healthy womenHigher retinol levelsPlasma vitamin levelsStudy plasma concentrationsCross-sectional studyIntrauterine contraceptive deviceLow plasma concentrationsGeneral Health QuestionnaireTime of recruitmentMethod of contraceptionPatient ageSmoking habitsPlasma reduced and total ascorbic acid in healthy women: Effects of smoking and oral contraception
Basu J, Vermund S, Mikhail M, Palan P, Romney S. Plasma reduced and total ascorbic acid in healthy women: Effects of smoking and oral contraception. Contraception 1989, 39: 85-93. PMID: 2910648, DOI: 10.1016/0010-7824(89)90017-6.Peer-Reviewed Original ResearchConceptsPlasma ascorbic acid levelsAscorbic acid levelsOral contraceptionAcid levelsTAA levelsOral contraceptive useAssociation of smokingEffect of smokingNormal healthy subjectsSignificant confounding variablesMethod of contraceptionPack yearsHealthy womenSmoking statusFood intakeHealthy subjectsContraceptive useIUD methodStudy questionnaireConfounding variablesDietary statusSmokersSmokingContraceptionOne-way analysis