Interstate Variation in Receipt of Nephrologist Care in US Patients Approaching ESRD: Race, Age, and State Characteristics.
Yan G, Cheung AK, Greene T, Yu AJ, Oliver MN, Yu W, Ma JZ, Norris KC. Interstate Variation in Receipt of Nephrologist Care in US Patients Approaching ESRD: Race, Age, and State Characteristics. Clin J Am Soc Nephrol. 2015 Nov 06; 10(11):1979-88.