Abstract Background Cholangiocarcinoma (CCA), the adenocarcinoma of the biliary duct, is commonly reported in Asia, with the highest incidence in northeastern Thailand.Chemotherapy of CCA has been limited by the lack of effective chemotherapeutic drugs.A series of previous in vitro and in vivo studies support further research and development of Atr

The use of satellite image time series analysis and machine learning methods brings new opportunities and challenges for land use and cover changes (LUCC) mapping over large areas.One of these challenges is the need for samples that properly represent the high variability of land used and cover classes over large areas to train supervised machine l

Background: The coronary arteries, being the major vascular channels, are known to affect the complete circulatory system and hemodynamics of the body.However, as a matter of fact, the coronary arteries are known to have many anatomical and developmental variations along all the morphological aspects, which include location of orifices, various rou