B, DR NAGHA PRASSANA, et al. “3D PRINTED HANDS-FREE ULTRASOUND PROBE HOLDER WITH MULTIANGLE NEEDLE GUIDE SYSTEM VERSUS CONVENTIONAL ULTRASOUND METHOD FOR POST OPERATIVE TRANSVERSUS ABDOMINIS PLANE BLOCK FOR LOWER SEGMENT CAESAREAN SECTION – A RANDOMIZED CONTROL TRIAL”. TPM – Testing, Psychometrics, Methodology in Applied Psychology, vol. 32, no. S3(2025) : Posted 07 July, July 2025, pp. 1616-25, https://tpmap.org/submission/index.php/tpm/article/view/875.