There are 55 cochrane reviews if you search for pencillin on their site https://www.cochranelibrary.com/advanced-search https://www.cochranelibrary.com/advanced

There are 55 cochrane reviews if you search for pencillin on their site https://www.cochranelibrary.com/advanced-search https://www.cochranelibrary.com/advanced-search. Infectious Disease is one of the most academic oriented and evidence rigorous disciplines in all of medicine. As the requirements for levels of evidence are ratcheted up many treatments that are old and established are reviewed and undergo additional study to establish them under the new expectations.