@misc{indiciae2c2aac0eb8b9, title = {Nail-biting in subnormals.}, author = {D F Clark}, year = {1970}, doi = {10.1111/j.2044-8341.1970.tb02104.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4249695/}, note = {Source identifier: 4249695} }