Google launched a News Archive Search which helps you explore historical archives of newspapers and magazines.
This is an example search for "myocardial infarction."
According to a 1969 article:
"A common symptom of myocardial infarction is an electrocardiogram which fails to show the emission of r-waves."
Image source: Google Blogoscoped, a creative commons license.
This is an example search for "myocardial infarction."
According to a 1969 article:
"A common symptom of myocardial infarction is an electrocardiogram which fails to show the emission of r-waves."
Image source: Google Blogoscoped, a creative commons license.