Title "Data Flow Diagram for Physician Visit" physician: box text "PHYSICIAN" color red arrow text "Medical Experience" color yellow physical: sphere text "PHYSICAL""EXAM" color blue arrow text "Prescription" color yellow drug_store: sphere text "TRIP TO""DRUG""STORE" color blue accounting: sphere at 5i, -5i, 1i text "ACCOUNTING""SYSTEM" color blue arrow text "Bill" color yellow patient: box text "PATIENT" color red arc -> cw from physical.top to patient.top arcradius 10i text "DIAGNOSIS and SYMPTOMS" color yellow arrow from physical.bottom to accounting.left color yellow text "List of""Tests, Services""Performed" boxht = 0.3 patient_data_store: box at -10i, -5i, 1i color green text "Patient""records" med_books_data_store: box at -5i, -7i, 1i color green text "Medical""Reference Books,""journals" acc_rec_data_store: box at -1i, -9i, 1i color green text "Accounting""Records" arrow from patient_data_store.top to physical.bottom color yellow arrow from med_books_data_store.top to physical.bottom color yellow arrow from acc_rec_data_store.top to physical.bottom color yellow