The Dyadic Relationship of Illness Perception and Fear of Progression in Patients With Digestive System Cancers and Their Caregivers: An Actor‐Partner Interdependence Model Analysis. - Cheng, Ying‐Ying; Liu, An‐Kang; Dai, Jin‐Zhen; Zhuo, Yi‐Shang; Liu, Peng; Wu, Qin‐Yang; Li, Zi‐Han; Yang, Qiao‐Hong (Stress & Health: Journal of the International Society for the Investigation of Stress, 2025)