@misc{indiciaec2a541e1789b, title = {Questionnaire techniques in assessing acne handicap: reliability and validity study.}, author = {M S Salek and G K Khan and A Y Finlay}, year = {1996}, doi = {10.1007/bf00435978}, url = {https://pubmed.ncbi.nlm.nih.gov/8901376/}, note = {Source identifier: 8901376} }