T. P. Litvinova

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The results of 5-year observations on the duration of immunity to measles virus in persons vaccinated and revaccinated against measles, as well as in persons having had this infection, are presented. The intensity of immunity was determined in the same persons with the use of the passive hemagglutination test. The study revealed differences in the(More)
And finally, to the c lass of mixed solvents we may ass ign solvent mixtures which enable one to p re pare injection solutions when it is not possible to p repare stable solutions by using the individual solvents, or when one wishes to make sure of obtaining a number of fixed solution charac te r i s t i c s , for example, a given dwelling t ime of the(More)