อะไมเลส, ของเหลวในร่างกายราคาเท่าไหร่?ไม่จำเป็นต้องใช้ทุกตาราง.
what is the price for amylase, body fluid?It is not neccessary to use all the tables.
 diagnoses_icd:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icd9_code [ text]  charttime [ time] 
SELECT DISTINCT cost.cost FROM cost WHERE cost.event_type = 'labevents' AND cost.event_id IN (SELECT labevents.row_id FROM labevents WHERE labevents.itemid IN (SELECT d_labitems.itemid FROM d_labitems WHERE d_labitems.label = 'amylase, body fluid'))