Spirituality in Primary Palliative Care and Beyond: A 20-Year Longitudinal Qualitative Study of Interacting Factors Impacting Physicians' Spiritual Care Provision Over Time.

Context: Spiritual care (SC) is central to palliative care. However, a mismatch between patients' desire for SC and physicians' SC provision remains. The shortage of specialty-trained palliative physicians, necessitates that all physicians provide primary palliative care, including SC.