Dudleston, Keith Electroconvulsive therapy: lack of studies is not the same as lack of effect. [electronic resource] - BMJ (Clinical research ed.) 02 2019 - l834 p. digital Publication Type: Letter; Comment ISSN: 1756-1833 Standard No.: 10.1136/bmj.l834 doi Subjects--Topical Terms: Electroconvulsive Therapy