1. Spontaneous pneumomediastinum. A report of 25 cases;Abolnik, I.; Lossos, I.S.; Breuer, R.;Chest,1991
2. Spontaneous mediastinum emphysema;1, Hamman;Bull Johns Hopkins Hosp
3. Transport of air along sheaths of pulmonic blood vessels from alveoli to mediastinum;Mackhin, C.C.;Arch Intern Med
4. Spontaneous pneumomediastinum: clinical and natural history;Panacek, E.A.; Singer, A.J.; Sherman, B.W.; Precott, A.; Rutherford, W.F.;Ann Emerg Med,1992
5. Association of spontaneous pneumomediastinum with substance abuse;Fajardo, L.L.;West J Med,1990