Title: Morfīĭ i ego derivaty (geroin, peronin, dīonin, i kodein) i ikh sravnitelʹnoe vlīi︠a︡nīe na dykhatelʹnui︠u︡ di︠e︡i︠a︡telʹnostʹ i obshchee sostoi︠a︡nīe organizma
Subjects: Respiratory organs, Effect of drugs on, Physiological effect, Morphine, Derivatives