ขั้นตอนสี่ขั้นตอนที่ได้รับคำสั่งบ่อยที่สุดสำหรับผู้ป่วยที่เคยได้รับการรักษาด้วยยาต้านไวรัส - อะไซโคลเวียร์ภายใน 2 เดือนนับตั้งแต่ปี 2105 คืออะไร? ไม่จำเป็นต้องใช้ตารางทั้งหมด
what are the four most frequently ordered procedures for patients who have previously received antiviral therapy - acyclovir within 2 months, since 2105?It is not neccessary to use all the tables.
 allergy:  allergyid [ number]  patientunitstayid [ number]  drugname [ text]  allergyname [ text]  allergytime [ time] 
SELECT t3.treatmentname FROM (SELECT t2.treatmentname, DENSE_RANK() OVER (ORDER BY COUNT(*) DESC) AS c1 FROM (SELECT patient.uniquepid, treatment.treatmenttime FROM treatment JOIN patient ON treatment.patientunitstayid = patient.patientunitstayid WHERE treatment.treatmentname = 'antiviral therapy - acyclovir' AND STRFTIME('%y', treatment.treatmenttime) >= '2105') AS t1 JOIN (SELECT patient.uniquepid, treatment.treatmentname, treatment.treatmenttime FROM treatment JOIN patient ON treatment.patientunitstayid = patient.patientunitstayid WHERE STRFTIME('%y', treatment.treatmenttime) >= '2105') AS t2 ON t1.uniquepid = t2.uniquepid WHERE t1.treatmenttime < t2.treatmenttime AND DATETIME(t2.treatmenttime) BETWEEN DATETIME(t1.treatmenttime) AND DATETIME(t1.treatmenttime, '+2 month') GROUP BY t2.treatmentname) AS t3 WHERE t3.c1 <= 4