Circadian variation in the response to the glucose challenge test in pregnancy: implications for screening for gestational diabetes mellitus.
Goldberg RJ, Ye C, Sermer M, Connelly PW, Hanley AJ, Zinman B, Retnakaran R. Circadian variation in the response to the glucose challenge test in pregnancy: implications for screening for gestational diabetes mellitus. Diabetes Care. 2012 Jul; 35(7):1578-84.