“Biohydroxyapatite Is a New Phase for the Selective Microweighing of Organic Compound Vapours - Markers of Inflammation in the Nasal Mucus of Calves and Hu-Mans Report 2. Analysis of Real Objects”. Sorbtsionnye I Khromatograficheskie Protsessy, vol. 21, no. 2, Apr. 2021, pp. 216-24, https://doi.org/10.17308/sorpchrom.2021.21/3355.