Ramstad, E S, Thegen, L S, Guldin, M-B, Neergaard, M A & Nielsen, M K 2023, ' Experiencing missing contact with professionals and long term bereavement outcome ', Journal of Pain and Symptom Management, vol. 65, no. 1, pp. 38-46 . https://doi.org/10.1016/j.jpainsymman.2022.09.006