response leads to better learning. Overt response is most effective ************************************************************
![155255-phones-news-samsung-galaxy-s21-series-revealed-in-all-their-beautiful-glory-image1-7jfnqzac8r.jpg 155255-phones-news-samsung-galaxy-s21-series-revealed-in-all-their-beautiful-glory-image1-7jfnqzac8r.jpg](https://static0.pocketlintimages.com/wordpress/wp-content/uploads/155255-phones-news-samsung-galaxy-s21-series-revealed-in-all-their-beautiful-glory-image1-7jfnqzac8r.jpg)
155255-phones-news-samsung-galaxy-s21-series-revealed-in-all-their-beautiful-glory-image1-7jfnqzac8r.jpg
16th German Spine Congress Annual Meeting of the German Spine Society 9th to 11th December 2021 Muenster, Germany
![PDF) Autoantibodies neutralizing type I IFNs are present in ~4% of uninfected individuals over 70 years old and account for ~20% of COVID-19 deaths PDF) Autoantibodies neutralizing type I IFNs are present in ~4% of uninfected individuals over 70 years old and account for ~20% of COVID-19 deaths](https://i1.rgstatic.net/publication/354986514_Autoantibodies_neutralizing_type_I_IFNs_are_present_in_4_of_uninfected_individuals_over_70_years_old_and_account_for_20_of_COVID-19_deaths/links/61604ac01eb5da761e621f4c/largepreview.png)