Why is recruitment to trials difficult? An investigation into recruitment difficulties in an RCT of supported employment in patients with severe mental illness

por Howard, Louise, de Salis, Isabel, Tomlin, Zelda, Thornicroft, Graham, Donovan, Jenny
Publicado 2009

A review of reporting of participant recruitment and retention in RCTs in six major journals

por Toerien, Merran, Brookes, Sara T, Metcalfe, Chris, de Salis, Isabel, Tomlin, Zelda, Peters, Tim J, Sterne, Jonathan, Donovan, Jenny L
Publicado 2009