Luo B, Kastrat E, Morcol T, Cheng H, Kennelly E, Long C. Gaultheria longibracteolata, an alternative source of wintergreen oil. Food Chem. 2021 Apr 16;342:128244. doi: 10.1016/j.foodchem.2020.128244. Epub 2020 Oct 9. PMID: 33097325.
Ojha PK, Poudel DK, Dangol S, Rokaya A, Timsina S, Satyal P, Setzer WN. Volatile Constituent Analysis of Wintergreen Essential Oil and Comparison with Synthetic Methyl Salicylate for Authentication. Plants (Basel). 2022 Apr 17;11(8):1090. doi: 10.3390/plants11081090. PMID: 35448818; PMCID: PMC9030118.
Pandey BP, Thapa R, Upreti A. Chemical composition, antioxidant and antibacterial activities of essential oil and methanol extract of Artemisia vulgaris and Gaultheria fragrantissima collected from Nepal. Asian Pac J Trop Med. 2017 Oct;10(10):952-959. doi: 10.1016/j.apjtm.2017.09.005. Epub 2017 Sep 18. PMID: 29111190.