British North America Act. British North America Act, law passed by the British Parliament in 1867 that provided for the unification of the Canadian provinces into the dominion of Canada.Until 1982 the act also functioned as the constitution of Canada.ritish North America Act. British North America Act, law passed by the British Parliament in 1867 that provided for the unification of the Canadian provinces into the dominion of Canada.
Lipitor's generic name is atorvastatin. Two generic drugmakers, Ranbaxy and Watson, can start selling generic atorvastatin in the U.S. right away. Due to complex generic drug laws, other generic drugmakers will have to wait 180 days, until May 2012, to offer their own generic versions of Lipitor.
Atorvastatin is a prescription medicine used to treat high cholesterol. It is marketed as a calcium salt under the brand name Lipitor (atorvastatin calcium), produced by Pfizer. It is also available as a generic medicine. Atorvastatin is a member of the drug class HMG-CoA inhibitor (statin). Atorvastatin works by potentially decreasing the production of cholesterol in the body through blocking the cholesterol-producing enzyme in the liver.