@misc{indiciae713009c16160, title = {Avoiding patient relation stress in an orthodontic practice.}, author = {J Singer and G A Sheppard}, year = {1979}, doi = {10.1016/0002-9416(79)90186-6}, url = {https://pubmed.ncbi.nlm.nih.gov/283702/}, note = {Source identifier: 283702} }