00430nas a2200169   4500000000100000008004100001100001600042700001600058700001400074700001600088700002100104245004800125250002300173300001000196490000800206020004600214       2012                            d1 aCrowther M.1 aVerhagen A.1 aSutton A.1 aHerbert Rob1 aFerreira Manuela00aWhen is a further clinical trial justified?  a2012 September 13.  ae59130 v345  a1756-1833 (Electronic)0959-535X (Linking)