توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Chakravarthi Periasamy. (2018). A single very low dose of intrathecal morphine with fentanyl as a useful adjunct to patient controlled analgesia in patients undergoing lumbar spine surgery: An interventional study.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Chakravarthi Periasamy. A Single Very Low Dose of Intrathecal Morphine with Fentanyl as a Useful Adjunct to Patient Controlled Analgesia in Patients Undergoing Lumbar Spine Surgery: An Interventional Study. 2018.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Chakravarthi Periasamy. A Single Very Low Dose of Intrathecal Morphine with Fentanyl as a Useful Adjunct to Patient Controlled Analgesia in Patients Undergoing Lumbar Spine Surgery: An Interventional Study. 2018.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.