By Rossi, Peter H., Lipsey, Mark W., Freeman, Howard E.
By Gardner, Howard E.
By Norris, Louanne, Smith, Howard E., Jr., Davis, Allen
By Evans PhD, Howard E., Christensen DVM MS PhD, George C.
By Rossi, Peter H., Freeman, Howard E., Lipsey, Mark W.
By Evans PhD, Howard E., de Lahunta DVM PhD, Alexander
By Evans, Howard E., DeLahunta, Alexander