Cathryn M A Glazener, Jonathan J Deeks, Craig R Ramsay, Marion K Campbell, Philip Booth, Paul Duffty et al
Glazener C M A, Deeks J J, Ramsay C R, Campbell M K, Booth P, Duffty P et al.
Neonatal examination and screening trial (NEST): a randomised, controlled, switchback trial of alternative policies for low risk infantsCommentary: “Switchback” allocationdangerous bends ahead!
BMJ 1999; 318 :627
doi:10.1136/bmj.318.7184.627
