title: Letter to the Editor: Qualitative and quantitative composition of essential oils.
authors: Acdegroot Publishing, Schipslootweg 5, 8351 HV Wapserveen, The Netherlands. Electronic address: mail@patchtesting.info.
authors: Anton C
authors: AC
authors: de Groot
authors: Gottfried Kellerstrasse 8, 86720 Nördlingen, Germany. Electronic address: info@artandfragrance.de.
authors: Erich
authors: E
authors: Schmidt
mesh_terms: D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D009822:Oils, Volatile
chemical_list: D009822:Oils, Volatile