TY  - RPRT
TI  - Subjective illness concepts and problem-oriented therapy.
AU  - M Thommen
AU  - A Blaser
AU  - C Ringer
AU  - E Heim
PY  - 1990
DO  - 10.1159/000288363
UR  - https://pubmed.ncbi.nlm.nih.gov/2290896/
ID  - 2290896
ER  -