Brekhman, I. I.; Dardymov, I. V. (1969). “New Substances of Plant Origin which Increase Nonspecific Resistance”. Annual Review of Pharmacology9: 419–430. doi:10.1146/annurev.pa.09.040169.002223. PMID4892434.
Brekhman, I. I.; Dardymov, I. V. (1969). “New Substances of Plant Origin which Increase Nonspecific Resistance”. Annual Review of Pharmacology9: 419–430. doi:10.1146/annurev.pa.09.040169.002223. PMID4892434.