OVERCOMING CHALLENGES IN HUMAN SALIVA GENE EXPRESSION MEASUREMENTS Article Ostheim P., Majewski M., Port M., Abend M., Tichý A., Kultova G., Sirak I., Davidkova M., Stastna M.M., Paunesku T., Woloschak G. Scientific Reports. Nature Publishing Group. Vol. 10. 2020. 11147 p.