TY - RPRT TI - Recurrence in affective disorder. I. Case register study. AU - L V Kessing AU - P K Andersen AU - P B Mortensen AU - T G Bolwig PY - 1998 DO - 10.1192/bjp.172.1.23 UR - https://pubmed.ncbi.nlm.nih.gov/9534827/ ID - 9534827 ER -