TY  - RPRT
TI  - Ego structure and mental deterioration.
AU  - H FEIFEL
PY  - 1951
DO  - 10.1111/j.1467-6494.1951.tb01521.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14918051/
ID  - 14918051
ER  -