1984
An epidemiologic study of lifting and twisting on the job and risk for acute prolapsed lumbar intervertebral disc
Kelsey J, Githens P, White A, Holford T, Walter S, O'Connor T, Ostfeld A, Weil U, Southwick W, Calogero J. An epidemiologic study of lifting and twisting on the job and risk for acute prolapsed lumbar intervertebral disc. Journal Of Orthopaedic Research® 1984, 2: 61-66. PMID: 6491800, DOI: 10.1002/jor.1100020110.Peer-Reviewed Original Research
1983
Physical activity and the risk of spontaneous preterm delivery.
Berkowitz G, Kelsey J, Holford T, Berkowitz R. Physical activity and the risk of spontaneous preterm delivery. The Journal Of Reproductive Medicine 1983, 28: 581-8. PMID: 6631844.Peer-Reviewed Original ResearchConceptsPreterm deliveryPhysical activityLeisure-time physical activityYale-New Haven HospitalSingleton preterm infantsSingleton term infantsSpontaneous preterm deliveryPossible risk factorsModerate physical activityCase-control studyEpidemiologic case-control studyPhysical fitness exercisesPreterm infantsTerm infantsRisk factorsStudy groupPregnancyInfantsRiskFitness exercisesDeliveryMothersChild careQuestionnaire responsesHospital