Seasonal changes of the diurnal variation of precipitation in the upper Río Chagres basin, Panamá.

This study elucidated the characteristics of climatological seasonal changes in the diurnal variations of precipitation at four ground stations in the upper Río Chagres basin in the Panama Canal watershed. The seasonal changes differed among the stations, although they are located within an area of only 414 km2. Precipitation peaks in the early afternoon at 1500 local standard time (LST) were observed at all the stations.

Imatinib mesylate as treatment for adenoid cystic carcinoma of the salivary glands: report of two successfully treated cases.

Background: Adenoid cystic carcinoma (ACC) is a malignant neoplasia of the salivary glands that is treated primarily by surgery. Local control and survival are usually compromised despite surgery. Expression of KIT tyrosine kinase is involved in the pathogenesis of ACC.