00534nas a2200193   4500000000100000000000100001008004100002100001300043700001700056700001900073700001400092700001800106700001100124700002000135245015300155300001100308490000700319022001400326       2013                            d1 aJ. Busby1 aK. Schroeder1 aW. Woltersdorf1 aJ. Sterne1 aY. Ben-Shlomo1 aA. Hay1 aW. Hollingworth00aTemporal growth and geographic variation in the use of laboratory tests by NHS general practices: using routine data to identify research priorities  a256-660 v63  a0960-1643