1997
Comparison of dietary calcium with supplemental calcium and other nutrients as factors affecting the risk for kidney stones in women.
Curhan GC, Willett WC, Speizer FE, Spiegelman D, Stampfer MJ. Comparison of dietary calcium with supplemental calcium and other nutrients as factors affecting the risk for kidney stones in women. Annals Of Internal Medicine 1997, 126: 497-504. PMID: 9092314, DOI: 10.7326/0003-4819-126-7-199704010-00001.Peer-Reviewed Original ResearchConceptsHealth Study ISymptomatic kidney stonesDietary calciumSupplemental calciumRelative riskKidney stonesCalcium intakeHighest quintileLowest quintileRisk factorsSelf-administered food frequency questionnaireIncident symptomatic kidney stonesNurses' Health Study IStone formationAbsorption of oxalateFollowing relative risksDietary calcium intakeProspective cohort studyFood frequency questionnaireMain outcome measuresPotential risk factorsYears of ageCohort studyDecreased riskCalcium ingestion
1992
Dietary Fat and Fiber in Relation to Risk of Breast Cancer: An 8-Year Follow-up
Willett W, Hunter D, Stampfer M, Colditz G, Manson J, Spiegelman D, Rosner B, Hennekens C, Speizer F. Dietary Fat and Fiber in Relation to Risk of Breast Cancer: An 8-Year Follow-up. JAMA 1992, 268: 2037-2044. DOI: 10.1001/jama.1992.03490150089030.Peer-Reviewed Original ResearchTotal fat intakeBreast cancer incidenceFat intakeBreast cancerPostmenopausal womenCancer incidenceProtective effectHealth StudySelf-administered food frequency questionnaireEnergy intakePositive associationDietary fat increasesNurses' Health StudyProspective cohort studyFood frequency questionnaireTotal energy intakeMiddle-aged womenYears of ageDietary questionnaireCohort studyFrequency questionnaireIncident casesRisk factorsDietary fatCorresponding RRsDietary fat and fiber in relation to risk of breast cancer. An 8-year follow-up.
Willett WC, Hunter DJ, Stampfer MJ, Colditz G, Manson JE, Spiegelman D, Rosner B, Hennekens CH, Speizer FE. Dietary fat and fiber in relation to risk of breast cancer. An 8-year follow-up. JAMA 1992, 268: 2037-44. PMID: 1328696, DOI: 10.1001/jama.268.15.2037.Peer-Reviewed Original ResearchConceptsTotal fat intakeBreast cancer incidenceFat intakeBreast cancerPostmenopausal womenCancer incidenceProtective effectHealth StudySelf-administered food frequency questionnaireEnergy intakePositive associationDietary fat increasesNurses' Health StudyProspective cohort studyFood frequency questionnaireTotal energy intakeMiddle-aged womenYears of ageDietary questionnaireCohort studyFrequency questionnaireIncident casesRisk factorsDietary fatCorresponding RRs