TY - JOUR AU - rpm, rpm PY - 2023 DA - 2023/02/28 TI - Retraction: Roy S. Performance of Grouted Coupler Embedded in Reinforced Concrete ABC Bridge Pier at Vehicle Impact. <em>Recent Progress in Materials</em> 2023; 5(1): 001 JO - Recent Progress in Materials SP - 011 VL - 05 IS - 01 AB - RetractionRetraction: Roy S. Performance of Grouted Coupler Embedded in Reinforced Concrete ABC Bridge Pier at Vehicle Impact. Recent Progress in Materials 2023; 5(1): 001Recent Progress in Materials Editorial OfficeLIDSEN Publishing Inc., 2000 Auburn Drive, One Chagrin Highlands, Suite 200, Beachwood, OH, USA; E-Mail: rpm@lidsen.com Recent Progress in Materials2023, volume 5, issue 1doi:10.21926/rpm.2301011Received: February 28, 2023Accepted: February 28, 2023Published: February 28, 2023 SN - 2689-5846 UR - https://doi.org/10.21926/rpm.2301011 DO - 10.21926/rpm.2301011 ID - rpm2023 ER -