Burlaka, B. S., & Bielenichev, I. F. (2021). A study on toxicity, local irritative effect of and allergic response to a novel intranasal medication containing N-phenylacetyl-L-prolylglycine ethyl ester . Zaporozhye Medical Journal, 23(1), 126–131. https://doi.org/10.14739/2310-1210.2021.1.224929