Hình:RobertKoch.jpg

Bách khoa toàn thư mở Wikipedia

No higher resolution available.

RobertKoch.jpg (362 × 533 pixel, file size: 25 kB, MIME type: image/jpeg)


Robert Koch

From http://wwwihm.nlm.nih.gov/

Public domain This image is in the public domain because it contains materials that originally came from the National Institutes for Health.
Please ensure that this image was actually created by the US Federal government, the NIH frequently uses commercial images which are not public domain. Email the source site if it is not clearly stated that this specific work is in the public domain.

Các trang sau có liên kết đến tập tin: