Prevention of gestational diabetes: feasibility issues for an exercise intervention in obese pregnant women. - Callaway LK; Colditz PB; Byrne NM; Lingwood BE; Rowlands IJ; Foxcroft K; McIntyre HD; BAMBINO Group; Callaway, Leonie K; Colditz, Paul B; Byrne, Nuala M; Lingwood, Barbara E; et al. (Diabetes Care, 2010)