Cowell, Cressida (9) Cowell, Chester (3) Rastell, John (1) Miller-zarneke, Tracey, Cowell, Cressida (1) Rizzi, Theresa E. (oklahoma State University, Valenciano, Amy C. (idexx Laboratories, Bowles, Mary (oklahoma State University, Cowell, Rick L. (idexx Laboratories Inc. (1)