Leon V Berhardt 
Advances in Medicine and Biology. Volume 70 

This continuing series gathers and presents original research results on the leading edge of medicine and biology. Each article has been carefully selected in an attempt to present substantial topical data across a broad spectrum. Topics discussed in this compilation include recent advances in family planning methods; genetic variants in periodontal diseases; culturally sensitizing STI/HIV prevention; surface electromyographic signal detection and analysis; HIV prevention among older LGBT adults; recurrent respiratory infections in children; development, production and application of quercetin; microbial pathogens in Crohn’s disease; augmentative communication application for people with ASD using android devices; and the symptoms, management and prevention of acute lower respiratory tract infections in children.