TY  - RPRT
TI  - Gratification and the failure to separate.
AU  - S Lego
AU  - S L Spray
DO  - 10.1111/j.1744-6163.1993.tb00426.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8108236/
ID  - 8108236
ER  -