Cernư, E [Personality and work of Assistant Professor Jan Klos, DrSc. (at the occasion of his 60th birthday)]. [electronic resource] - Ceskoslovenska otolaryngologie Oct 1972 - 261-3 p. digital Publication Type: Biography; Historical Article; Journal Article ISSN: 0009-0603 Subjects--Topical Terms: CzechoslovakiaHistory, 20th CenturyOtolaryngology--historyPediatrics--history