Impact of non-uniform correlation structure on sample size and power in multiple-period cluster randomised trials

*Statistical Methods in Medical Research* 2019; __28__(3)__:__703-716

Stepped wedge designs: Insights from a design of experiments perspective

*Statistics in Medicine* 2017; __36__(24)__:__3772-3790

Inconsistent treatment estimates from misā€specified logistic regression analyses of randomized trials

*Statistics in Medicine* 2015; __34__(19)__:__2681-2694

Dropouts in the AB/BA crossover design

*Statistics in Medicine* 2012; __31__(16)__:__1675-1687

Oral ciprofloxacin or trimethoprim reduces bacteriuria after flexible cystoscopy

*BJU International* 2007; __100__(4)__:__826-829

A visual and acoustic survey for harbour porpoises off North-West Africa: Further evidence of a discrete population

*African Journal of Marine Science* 2007; __29__(3)__:__403-410

Haemophilus influenzae type b immunization in infants in the United Kingdom: Effects of Diphtheria/Tetanus/Acellular Pertussis/Hib combination vaccine, significant prematurity, and a fourth dose

*Pediatrics* 2006; __117__(4)__:__e717-e724

The development of a snoring symptoms inventory

*Otolaryngology - Head and Neck Surgery* 2006; __134__(1)__:__56-62

The effect of otitis media with effusions on balance in children

*Clinical Otolaryngology & Allied Sciences* 2004; __29__(4)__:__318-320

Long-term survival after blood transfusion: a population based study in the North of England

*Transfusion* 2004; __44__(7)__:__1025-1032