Keywords: Johann Nepomuk Czermak.jpg en Johann Nepomuk Czermak June 17 1828 “ September 16 1873 http //ihm nlm nih gov/images/B05755 author before 1870 ; published in München by J F Lehmann in 1928 The National Library of Medicine believes this item to be in the public domain PD-old Johann Nepomuk Czermak |