Exploratory studies to inform full-scale evaluations of complex public health interventions: the need for guidance
Laurence Moore, Britt Hallingberg, Daniel Wight, Ruth Turley, Jeremy Segrott, Peter Craig, Michael Robling, Simon Murphy, Sharon Anne Simpson, Graham Moore
J Epidemiol Community Health Oct 2018, 72 (10) 865-866; DOI: 10.1136/jech-2017-210414