Sharobaro, Valentin, Sekina Alimova, Anna Telnova, and Liudmila Shamanaeva. 2020. “Ultrasound Diagnosis of Age-Related Involutional changes in the lower Third of Face and Neck to determine treatment Techniques”. Pakistan Journal of Medical Sciences 37 (1). https://doi.org/10.12669/pjms.37.1.3034.