Enrollment experiences in a pediatric longitudinal observational study: The Environmental Determinants of Diabetes in the Young (TEDDY) study

: LERNMARK B, JOHNSON SB, Vehik K, SMITH L, BALLARD L, BAXTER J, MCLEOD W, ROTH R, SIMELL T

: 2011

Contemporary Clinical Trials

: 4

: 32

: 4

: 517

: 523

: 7

: 1551-7144