The Employer recognizes the Association as the sole and exclusive bargaining representative for the purposes of collective bargaining in respect to wages, hours, and other conditions of employment for all employees in the following bargaining unit: All House Officers employed by the Regents of The University of Michigan possessing the equivalent of a minimum of an M.D., D.O., or D.D.S. degree, excluding pharmacy interns, dietetic interns, physical and occupational therapy trainees, nurse anesthetist trainees, chaplaincy interns, and all other employees.