AUTHOR=Gu Helene , Xu Zhenyu , Koviazina Renata , Tan Pengcheng , Zheng Changcheng , Kappes Ferdinand , Kotsifaki Domna G. , Shen Fangrong , Tsigkou Anastasia TITLE=Detection of nontoxic BoNT/A levels in post-facial Botox injection breastmilk JOURNAL=Frontiers in Drug Safety and Regulation VOLUME=4 YEAR=2025 URL=https://www.frontiersin.org/journals/drug-safety-and-regulation/articles/10.3389/fdsfr.2024.1480515 DOI=10.3389/fdsfr.2024.1480515 ISSN=2674-0869