Hennessey, J V Growth hormone administration and exercise effects on muscle fiber type and diameter in moderately frail older people. [electronic resource] - Journal of the American Geriatrics Society Jul 2001 - 852-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0002-8614 Standard No.: 10.1046/j.1532-5415.2001.49173.x doi Subjects--Topical Terms: Age FactorsAgedAnalysis of VarianceBiopsyBody CompositionCombined Modality TherapyDouble-Blind MethodExercise Therapy--methodsFemaleFrail ElderlyGeriatric AssessmentGrowth Hormone--deficiencyHumansInjections, SubcutaneousInsulin-Like Growth Factor I--metabolismMaleMuscle Fibers, Skeletal--drug effectsMuscle Weakness--bloodTreatment OutcomeWeight Lifting