https://www.selleckchem.com/pr....oducts/Cyclopamine.h
timing on exercise biomechanics in persons suffering from low back pain. Due to the COVID-19 pandemic all schools in Poland were closed and obliged to conduct lessons remotely. The aim of the study is to present the demographic analysis of difficulties with remote learning, as perceived by students during coronavirus pandemic in Poland. In April 2020, a nationwide online survey was conducted among adolescents aged 11-18 (N=2408). Quantitative and qualitative data were used. Teenagers were asked about the problems connected with remo