Pocs, T. T, Pocs, S., Chuah-Petiot, M.S., Malombe, I. & S. Masinde. 2007. East African Bryophytes. XXIV. Records from the dry lands of Kenya, with a description of Didymodon revolutus var. nov. africanus (Pottiaceae). Lindbergia 32: 33-39..
Poumon Coeur. 1983;39(3):159-62. : uon press Abstract
Pneumatocele, a special form of lung injury, is characterized by intrathoracic images of cavities detected on X-ray films. These cavities develop immediately after a trauma of the thorax, disappear rapidly and have a relatively favourable outcome.