The rear mirror.
Janse
Michiel J
MJ
D035843:Biomedical Research / Q000191:economics / Q000266:history* / Q000331:legislation & jurisprudence; D002318:Cardiovascular Diseases / Q000266:history*; D002320:Cardiovascular Physiological Phenomena; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010380:Peer Review; D010506:Periodicals as Topic / Q000266:history*; D012109:Research Support as Topic