Ref:BOWLBY A Two Year Old Goes to Hospital E4PHZB2V
De Commission Historique
Bowlby, John;Robertson, James. "A Two-Year-Old Goes to Hospital." Proceedings of the Royal Society of Medicine 46 (1953) : 425-427.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1918555/
