1. Periodical disease;Ayvasian, A.,1982
2. Periodical disease and metabolic abnormalities;Haroutjunian, V.M.; Yeganian, G.A.; Kostina, M.M.;Klin Med (Mosk),1988
3. Neurological aspects of periodical disease;Gervorkyan, E.M.,1973
4. Aramian MKh. Characteristics of periodical disease development;Haroutjunian, V.M.; Yeganian, G.A.;Klin Med (Mosk),1991
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