Carbapenems are one of the antibiotics of last resort for many bacterial infections, such as "Escherichia coli" ("E. coli") and "Klebsiella pneumoniae".
==References====Literature==*[http://museums.state.nm.us/nmmnh/pdf_files/TJB.pdf]==External links==* Theories on the Triassic-Jurassic Extinction* The Triassic-Jurassic Mass Extinction