Lachowicz, S. “ESTIMATING THE PREVALENCE OF POLYPHENOLIC COMPOUNDS IN ONIONS (ALLIUM CEPA L.) AND THEIR PRODUCTS”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 4, no. 3, Dec. 2014, pp. 213-6, doi:10.15414/jmbfs.2014-15.4.3.213-216.