Cathay as "Cathay" (in a number of spelling variants) as well. The name occurs in the writings of Giovanni da Pian del Carpine (c. 1180–1252) (as "Kitaia"), William of Rubruck (c. 1220–c. 1293) (as "Cataya" or "Cathaia"). Rashid-al-Din Hamadani, ibn Battuta, Marco Polo all were referring to Northern China as Cathay, while Southern China, ruled by the Song dynasty, was "Mangi", "Manzi", "Chin", or "Sin". The word "Manzi" (蠻子) or "Mangi" is a derogatory term in Chinese meaning "barbarians of the south" ("Man" was used to describe unsinicised Southern China in its earlier periods), and would therefore not have been used
Cathay Drug maintains a very high urinary concentration for more than 72 hours after a single dose. This compares with common antibiotics that must be taken twice a day for seven to 14 days, depending on the severity of the infection. Cathay Drug The Cathay Drug Company, Inc. (CDCI) is a Philippine pharmaceutical company based in Makati. Cathay Drug was founded in 1952 by the family of Yao Shiong Shio, a widely known postwar industrialist and president of the Filipino-Chinese Chambers of Commerce and Industry in 1974 to 1976. From 1952 to 2000, Cathay Drug Company has been the exclusive distributor of