It might also be an accompaniment for drinks like Doogh and Kumis. It is slightly inferior in its medicinal properties to natural mare's kumis. In Asia, the saba is a horsehide vessel used in the production of kumis. Some of these products include sour cream, yogurt, cheese, buttermilk, viili, kefir, and kumis. The beverage kumis is traditionally made from mare milk. The Japanese soft drink Calpis models its flavor after the taste of "kumis". Surgical methods of treatment and more effective use of kumis were developed here. Kumis and vodka are both widely drunk among the Sakha. Fermented mare's milk, known as kumis, is the national drink of Kyrgyzstan. There was also kumis (mare's milk) for the deceased to drink. The milk is used to make the ubiquitous fermented drinks of Mongolia, airag and kumis. The main methods of treatment are medication, diet, and kumis. Like kumis, it is widespread among Turkic peoples. Today, the kumis is made from cow's milk. "Kumis" is an ancient beverage.