Combination Chemotherapy With or Without Rituximab in Treating Patients With Previously Treated Chronic Lymphocytic Leukemia

Birmingham Heartlands Hospital, Birmingham

Blackpool Victoria Hospital, Blackpool

Kent and Canterbury Hospital, Canterbury

St Helier Hospital, Carshalton

Darent Valley Hospital, Dartford Kent

Medway Maritime Hospital, Gillingham Kent

Leeds General Infirmary at Leeds Teaching Hospital NHS Trust, Leeds

Leicester Royal Infirmary, Leicester

Royal Liverpool and Broadgreen Hospitals NHS Trust, Liverpool

Maidstone Hospital, Maidstone

Christie Hospital NHS Trust, Manchester

Royal Cornwall Hospital, Truro, Cornwall

Kent and Sussex Hospital, Tunbridge Wells, Kent

Wishaw General Hospital, Wishaw

Monklands General Hospital, Airdrie

University Hospital of Wales, Cardiff