Aarav Chopra, Sunil J. Gandhi, and Yuetang Pan. 2026. “Foundation Model–Driven Multimodal Health Retrieval: Integrating PPG Physiological Signals and Medical Imaging via Scalable Deep Hashing”. International Journal of Clinical and Translational Medicine 1 (1). https://ijctmed.org/index.php/home/article/view/153.