Fisher M, ed. Guide to Clinical Preventive Services . Baltimore, Md: Williams & Wilkins; 1989;.
American Thoracic Society.  Standards for the diagnosis and care of patients with chronic obstructive pulmonary disease (COPD) and asthma. Am Rev Respir Dis . 1987;;136:225-243.
American Thoracic Society.  Lung function testing: selection of reference values and interpretative strategies. Am Rev Respir Dis . 1991;;144: 1202-1218.
Stubbing DG, Mathur PN, Roberts RS, Campbell EJM.  Some physical signs in patients with chronic airflow obstruction. Am Rev Respir Dis . 1982;;125:549-552.
Lal S, Ferguson AD, Campbell EJM.  Forced expiratory time: a simple test for airways obstruction. BMJ . 1964;;1:814-817.
Scheinhorn DJ.  Screening test for airflow limitation. South Med J . 1982;;75:434-438.
Catlett GF, Kidera GJ.  Detection of respiratory impairment in pilots. Aerospace Med . 1969;;40;1252-1257.
Govindaraj M.  Pulsus paradoxus in respiratory disease. Indian J Chest Dis . 1970;;12:110-115.
Workum P, Holford SK, Delbono EA, Murphy RLH.  The prevalence and character of crackles (rales) in young women without significant lung disease. Am Rev Respir Dis . 1982;;126:927-923.
Bohadana AB, Peslin R, Uffholtz H.  Breath sounds in the clinical assessment of airflow obstruction. Thorax . 1978;;33:345-351.
Kern DG, Patel SR.  Auscultated forced expiratory time as a clinical and epidemiologic test of airway obstruction. Chest . 1991;;100:636-639.
Macdonald JB, Cole TJ, Seaton A.  Forced expiratory time: its reliability as a lung function test. Thorax . 1975;;30:554-559.
Van Schayck CP, van Weel C, Harbers HJM, van Herwaarden CLA.  Do physical signs reflect the degree of airflow obstruction in patients with asthma or chronic obstructive pulmonary disease? Scand J Prim Health Care . 1991;;9:232-238.
Holleman DR, Simel DL, Goldberg JS.  Diagnosis of obstructive airways disease from the clinical examination. J Gen Intern Med . 1993;;8:63-68.
Suprenant EL, Vance JW.  Evaluation of methods for the early detection of chronic obstructive ventilatory diseases. Dis Chest . 1967;;52:760-766.
Marini JJ, Pierson DJ, Hudson LD, Lakshminarayan S.  The significance of wheezing in chronic airflow obstruction. Am Rev Respir Dis . 1979;;120: 1069-1072.
Badgett RG, Tanaka DJ, Hunt DK, et al.  Can moderate chronic obstructive pulmonary disease be diagnosed by historical and physical findings alone? Am J Med . 1993;;94:188-196.
Schapira RM, Schapira MM, Funahashi A, McAuliffe TL, Varkey B.  The value of the forced expiratory time in the physical diagnosis of obstructive airways disease. JAMA . 1993;;270:731-736.
Teklu B, Pierson DJ, Fair K, Schoene RB.  The match test revisited: blowing out a candle as a screening test for airflow obstruction. JFam Pract . 1990;;31:557-562.
Foxman B, Lohr KN, Brook RH, Goldberg GA, Rosenthal M, Sloss E. Conceptualization and Measurement of Physiologic Health for Adults: Chronic Obstructive Airway Disease . Santa Monica, Calif: RAND; 1982;. Publication R-2262/8-1-HHS.
King DK, Thompson BT, Johnson DC.  Wheezing on maximal forced exhalation in the diagnosis of atypical asthma: lack of sensitivity and specificity. Ann Intern Med . 1989;;110:451-455.
Mannino DM, Etzel RA, Flanders WD.  Do the medical history and physical examination predict low lung function? Arch Intern Med . 1993;;153:1892-1897.
Rebuck AS, Tomarken JL.  Pulsus paradoxus in asthmatic children. Can Med Assoc J . 1985;;112: 710-711.
Bilgi C, Jones RL, Sproule BJ.  Relation between pulsus paradoxus and pulmonary function in patients with chronic airways obstruction. Can Med Assoc J . 1977;;117:1389-1392.
Marks A, Bocles J.  The match test and its significance. South Med J . 1960;;53:1211-1216.
Snider TH, Stevens JP, Wilner FM, Lewis BM.  Simple bedside test of respiratory function. JAMA . 1959;;170:1631-1632.
Pardee NE, Martin CJ, Morgan EH.  A test of the practical value of estimating breath sound intensity. Chest . 1976;;70:341-344.
Pardee NE, Winterbauer RH, Morgan EH, Allen JD, Olson DE.  Combinations of four physical signs as indicators of ventilatory abnormality in obstructive pulmonary syndromes. Chest . 1980;;77: 354-358.
Nairn JR, Turner-Warwick M.  Breath sounds in emphysema. Br J Dis Chest . 1969;;63:29-37.
Thacker RE, Kraman SS.  The prevalence of auscultatory crackles in subjects without lung disease. Chest . 1982;;81:672-674.
Lefcoe NM, Wonnacott TH.  The prevalence of chronic respiratory disease in the male physicians of London, Ontario. Can Med Assoc J . 1970;;102: 381-385.
McNicol KN, Williams HE, Gillam GL.  Chest deformity, residual airways obstruction and hyper-inflation, and growth in children with asthma. Arch Dis Child . 1970;;45:783-798.
Fletcher CM.  The clinical diagnosis of pulmonary emphysema: an experimental study. Proc R Soc Med . 1952;;45:577-584.
Hepper NG, Hyatt RE, Fowler WS.  Detection of chronic obstructive lung disease. Arch Environ Health . 1969;;19:806-813.
Schilling RSF, Hughs JPW, Dingwall-Fordyce I.  Disagreement between observers in an epidemiological study of respiratory disease. BMJ . 1955;; 1:65-68.
Williams TJ, Ahmad D, Morgan WKC.  A clinical and roentgenographic correlation of diaphragmatic movement. Arch Intern Med . 1981;;141:878-880.
Bohadana AB, Mohankumar T.  Symptoms and signs in the assessment of chronic airflow obstruction. Indian J Chest Dis Allied Sci . 1982;;24:133-142.
Mulrow CD, Dolmatch BL, Delong ER, et al.  Observer variability in the pulmonary examination. J Gen Intern Med . 1986;;1:364-367.
Kilburn KH, Asmundsson T.  Anteroposterior chest diameter in emphysema: from maxim to measurement. Arch Intern Med . 1969;;123:379-382.
Forgacs P.  The functional basis of pulmonary sounds. Chest . 1978;;73:399-405.
Dodge R, Cline MG, Burrows B.  Comparisons of asthma, emphysema and chronic bronchitis diagnoses in a general population sample. Am Rev Respir Dis . 1986;;133:981-986.
Sherrill DL, Lebowitz MD, Knudson RJ, Burrows B.  Smoking and symptom effects on the curves of lung function growth and decline. Am Rev Respir Dis . 1991;;144:17-22.
Simel DL, Samsa GP, Matchar DB.  Likelihood ratios with confidence: sample size estimation for diagnostic test studies. J Clin Epidemiol . 1991;;44: 763-770.
Wilkins RL, Dexter JR, Murphy RL, DelBono EA.  Lung sound nomenclature survey. Chest . 1990;; 98:886-889.