[N. I. Pirogov and I. I. Mechnikov].
D013502:General Surgery / Q000266:history; D005858:Germany; D049672:History, 19th Century; D009613:Nobel Prize; D010827:Physiology / Q000266:history; D012425:Russia (Pre-1917); D015046:Zoology / Q000266:history
N. I. Pirogov i I. I. Mechnikov.