1. Spirituality and medical practice: using the HOPE questions as a practical tool for spiritual assessment;Anandarajah G.;American Family Physician,2001
2. Bøe K.G.(1999).Åndelig omsorg – sanselig nærvær(Hovedoppgåve) [Spiritual care – sensory presence] (Master Thesis). Det teologiske fakultet Universitetet i Oslo.
3. What is the essence of spiritual care?;Carson V.B.;Journal of Christian Nursing,2011