Sriwattanapong, C.; Pongrojpaw, D.; Chanthasenanont, A.; Pattaraarchachai, J. .; Suwannarurk, K. Comparison Between Lidocaine Spray and Oral Paracetamol for Pain Reduction During Amniocentesis in Second Trimester Pregnancy; A Randomize Controlled Trial. Siriraj Med J 2024, 76, 8-13.