1. Cough fracture of the ribs;Roberge, R.J.; Morgenstern, M.J.; Osborn, H.;Am _J Emerg Med,1984
2. Indirect fracture of the rib in pulmonary tuberculosis;Richardson, E.C.;JAMA
3. Cough fracture of the ribs unassociated with pulmonary tuberculosis;Wynn-Williams, N.;BMJ,1951
4. Chronic bronchitis;Chodosh, S.; Segal, M.S.;N Engl J Med,1982
5. Spontaneous fracture of the first rib as a complication of status asthmaticus;Ginsburg, M.,1947