00335nas a2200121 4500000000100000008004100001100001300042700001300055700001400068245011400082300001000196490000700206 2003 d1 aJ. Hoare1 aM. Bruce1 aA. Majeed00aPrevalence of treated asthma and its management in general practice in England and Wales, 1994\textendash1998 a15-220 v17