Data quality methods through remote source data verification auditing: results from the Congenital Cardiac Research Collaborative.

Pettus JA, Pajk AL, Glatz AC, Petit CJ, Goldstein BH, Qureshi AM, Nicholson GT, Meadows JJ, Zampi JD, Law MA, Shahanavaz S, Kelleman MS, McCracken CM, Congenital Cardiac Research Collaborative