For citations:

Petrova I.V., Kozyritskaya D.V., Kamaltynova E.M., Ogorodova L.M. Association between polymorphism at the promotor region of NO-synthase gene and bronchial asthma development. PULMONOLOGIYA. 2007;(4):52-55. (In Russ.) https://doi.org/10.18093/0869-0189-2007-0-4-52-55