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Yelland LN, Salter AB, Ryan P, Makrides M. Analysis of binary outcomes from randomised trials including multiple births: when should clustering be taken into account? Paediatric and Perinatal Epidemiology 2011; 25: 283–297.
Randomised trials involving infants from both single and multiple births present unique statistical challenges. A range of methods have been used to analyse such data, including...
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