Kiel DP, O'Sullivan P, Teno JM, Mor V.  Health care utilization and functional status in the aged following a fall . Med Care . 1991;;29:221-228.
King MB, Tinetti ME.  Falls in community-dwelling older persons . J Am Geriatr Soc . 1995;;43:1146-1154.
Tinetti ME, Liu WL, Claus EB.  Predictors and prognosis of inability to get up after falls among elderly persons . JAMA . 1993;;269:65-70.
Tinetti ME, Mendes de Leon CF, Doucette JT, Baker DI.  Fear of falling and fall-related efficacy in relationship to functioning among community-living elders . J Gerontol . 1994;;49:M140-M147.
Nevitt MC, Cummings SR, Kidd S, Black D.  Risk factors for recurrent nonsyncopal falls: a prospective study . JAMA . 1989;;261:2663-2668.
Lipsitz LA, Jonsson PV, Kelley MM, Koestner JS.  Causes and correlates of recurrent falls in ambulatory frail elderly . J Gerontol . 1991;;46:M114-M122.
Lipsitz L, Wei JY, Rowe JW.  Syncope in an elderly, institutionalized population: prevalence, incidence, and associated risk . Q J Med . 1985;;55:45-54.
Alexander NB.  Postural control in older adults . J Am Geriatr Soc . 1994;;42:93-108.
Wolfson L.  Falls and gait . In: Katzman R, Rowe JW, eds. Principles of Geriatric Neurology . Philadelphia, Pa: FA Davis Co Publishers; 1992;:281-299.
Woollacott MH.  Changes in posture and voluntary control in the elderly: research findings and rehabilitation . In: Lewis CB, Woollacott MH, eds. Topics in Geriatric Rehabilitation . Gaithersburg, Md: Aspen Publishers Inc; 1990;:1-11.
Lipsitz LA.  Abnormalities in blood pressure homeostasis that contribute to falls in the elderly . Clin Geriatr Med . 1985;;1:637-648.
Jonsson PV, Lipsitz LA, Kelley MM, Koestner JS.  Hypotensive responses to common daily activities in institutionalized elderly: a potential risk for recurrent falls . Arch Intern Med . 1990;;150:1518-1524.
Phillips PA, Phil D, Rolls BJ, et al.  Reduced thirst after water deprivation in healthy elderly men . N Engl J Med . 1984;;311:753-759.
Tinetti ME, Speechley M, Ginter SF.  Risk factors for falls among elderly persons living in the community . N Engl J Med . 1988;;319:1701-1707.
Campbell AJ, Borrie MJ, Spears GF.  Risk factors for falls in a communitybased prospective study of people 70 years and older . J Gerontol . 1989;;44:M112-M117.
Robbins AS, Rubenstein LZ, Josephson KR, Schulman BL, Osterweil D, Fine G.  Predictors of falls among elderly people: results of two populationbased studies . Arch Intern Med . 1989;;149:1628-1633.
Tinetti ME, Williams TF, Mayewski R.  Fall risk index for elderly patients based on number of chronic disabilities . Am J Med . 1986;;80:429-434.
Drachman DA, Hart CW.  An approach to the dizzy patient . Neurology . 1972;;22:323-334.
Lipsitz LA.  Orthostatic hypotension in the elderly . N Engl J Med . 1989;;321:952-957.
Jansen RWMM, Connelly CM, Kelley-Gagnon MM, Parker JA, Lipsitz LA.  Postprandial hypotension in elderly patients with unexplained syncope . Arch Intern Med . 1995;;155:945-952.
Sudarsky L, Ronthal M.  Gait disorders among elderly patients: a survey study of 50 patients . Arch Neurol . 1983;;40:740-743.
Meissner I, Wiebers DO, Swanson JW, O'Fallon WM.  The natural history of drop attacks . Neurology . 1986;;36:1029-1034.
Archea JC.  Environmental factors associated with stair accidents by the elderly . Clin Geriatr Med . 1985;;1:555-569.
Podsiadlo D, Richardson S.  The timed 'up & go': a test of basic functional mobility for frail elderly persons . J Am Geriatr Soc . 1991;;39:142-148.
Munro NC, McIntosh S, Lawson J, Morley CA, Sutton R, Kenny RA.  Incidence of complications after carotid sinus massage in older patients with syncope . J Am Geriatr Soc . 1994;;42:1248-1251.
Fiatarone MA, O'Neill EF, Doyle N, et al.  Exercise training and nutritional supplementation for physical frailty in very elderly people . N Engl J Med . 1994;;330:1769-1775.
Tinetti ME, Baker DI, McAvay G, et al.  A multifactorial intervention to reduce the risk of falling among elderly people living in the community . N Engl J Med . 1994;;331:821-827.
Wagner EH, LaCroix AZ, Grothaus L, et al.  Preventing disability and falls in older adults: a population-based randomized trial . Am J Public Health . 1994;;84:1800-1806.
Province MA, Hadley EC, Hornbrook MC, et al, for the FICSIT Group.  The effects of exercise on falls in elderly patients: a preplanned meta-analysis of the FICSIT trials . JAMA . 1995;;273:1341-1347.
Wolf SL, Barnhart HX, Kutner NG, et al for the Atlanta FICSIT Group.  Reducing frailty and falls in older persons: an investigation of tai chi and computerized balance training . J Am Geriatr Soc . 1996;;44:489-497.
Lauritzen JB, Petersen MM, Lund B.  Effect of external hip protectors on hip fractures . Lancet . 1993;;341:11-13.