0
edits
Preface: Difference between revisions
no edit summary
No edit summary |
No edit summary |
||
| Line 12: | Line 12: | ||
It was the german W.D. Keidel that first used ultrasound to examine the heart in 1950. | It was the german W.D. Keidel that first used ultrasound to examine the heart in 1950. | ||
[[Image:FirstEchoCor.png]] | [[Image:FirstEchoCor.png]] | ||
{{clr | {{clr}} | ||
[[Image:EdlerHertz.png]] | [[Image:EdlerHertz.png]] | ||