author = { Nothacker, Julia AND Stadelmaier, Julia AND Siemens, Waldemar AND Meerpohl, Joerg J AND Schmucker, Christine },

title = { Characteristics of registered and published systematic reviews focusing on the prevention of COVID-19: a meta-research study },

publisher = {BMJ},

isbn = {2044-6055},

year = {2022},

url = { http://slubdd.de/katalog?TN_libero_mab2 }