AUTHOR=Saito Ayaka , Sakai Kino , Kawai Megumi , Lyu Lyu , Kameda Kazunari , Kudo Hiromi , Sato Katsufumi , Sakamoto Kentaro Q. TITLE=Development of a non-invasive heart rate measurement method for sea turtles with dense keratinous scutes through effective electrode placement JOURNAL=Frontiers in Physiology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2024.1511443 DOI=10.3389/fphys.2024.1511443 ISSN=1664-042X