f4c35689__S__Bureau_of_Labor_Statistics__Job_Duties
[Occupation] Physician Assistants [ENTRY-LEVEL EDUCATION] Master’s degree [2012 MEDIAN PAY] $90,930 [Job Duties] 
Physician assistants, also known as PAs, practice medicine on a team under the supervision of physicians and surgeons. They are formally educated to examine patients, diagnose injuries and illnesses, and provide treatment.
Phlebotomists : Occupational Outlook Handbook: : U.S. Bureau of Labor Statistics