[1] E BIRMINGHAM DIST GEN HOSP,UNDERGRAD CTR,BORDESLEY GREEN E,BIRMINGHAM B9 5ST,W MIDLANDS,ENGLAND
[2] UNIV ASTON,INST PHARMACEUT SCI,BIRMINGHAM B4 7ET,W MIDLANDS,ENGLAND
[3] SELLY OAK HOSP,DEPT BIOCHEM,BIRMINGHAM,ENGLAND
[4] UNIV BIRMINGHAM,DEPT MED,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND