การใช้ยาที่เรียกว่า nystatin-triamcinolone cream มีค่าใช้จ่ายเท่าไร?ไม่จำเป็นต้องใช้ทุกโต๊ะ
how much does it cost to take a drug called nystatin-triamcinolone cream?It is not neccessary to use all the tables.
 d_icd_procedures:  row_id [ number]  icd9_code [ text]  short_title [ text]  long_title [ text] 
SELECT DISTINCT cost.cost FROM cost WHERE cost.event_type = 'prescriptions' AND cost.event_id IN (SELECT prescriptions.row_id FROM prescriptions WHERE prescriptions.drug = 'nystatin-triamcinolone cream')