Jon Kabat-Zinn has been a pioneer in bringing mindfulness techniques into the mainstream of medical practice to work with stress, pain and illness. You can read an overview of this work here. He is the author or editor of dozens of books; a good place to start is Full Catastrophe Living: Using the Wisdom of the Body and the Mind to Face Stress, Pain, and Illness.

Tara Brach offers a list of resources on her website, including guided meditations, talks, and a list of books and other readings:  https://www.tarabrach.com/pain/