This is a "connection" page, showing publications co-authored by Christopher Marshall and John Levey.
Walavalkar V, Patwardhan RV, Owens CL, Lithgow M, Wang X, Akalin A, Nompleggi DJ, Zivny J, Wassef W, Marshall C, Levey J, Walter O, Fischer AH. Utility of liquid-based cytologic examination of distal esophageal brushings in the management of Barrett esophagus: a prospective study of 45 cases. J Am Soc Cytopathol. 2015 May - Jun; 4(3):113-121.