@misc{indiciae21f40b53befb, title = {Botulinum toxin type A injection for hyperfunctional facial lines.}, author = {M S Keen and M M Khosh}, year = {1995}, doi = {10.1288/00005537-199510000-00022}, url = {https://pubmed.ncbi.nlm.nih.gov/7564848/}, note = {Source identifier: 7564848} }