21. From 1909 he often needed treatment in sanatoria for his health, which was undermined by syphilis. 22. The valley is the central area of the former County of Kladsko and today a popular sanatoria . 23. He spent much of the 1920s in Swiss and French sanatoria , though returning to Brazil at times. 24. Barthes showed great promise as a student and spent the period from 1935 to 1939 at the sanatoria . 25. After the war Richta became quite ill, and beginning in 1958 he periodically spent time in sanatoria . 26. By the 1970s the visitors to Jermuk's sanatoria numbered 25-30, 000 people yearly. 27. Part of his qualifications for the job stemmed from him touring retirement homes and sanatoria with musical acts. 28. In 1925, the health resort operated six sanatoria and treated the total of about 13, 000 patients. 29. In 1991, the Pyatigorsk health resort had ten sanatoria , four boarding houses and five sanatoria-preventoria. 30. In 1991, the Pyatigorsk health resort had ten sanatoria, four boarding houses and five sanatoria -preventoria.
