TY - RPRT TI - Headspace-solid-phase microextraction fast GC in combination with principal component analysis as a tool to classify different chemotypes of chamomile flower-heads (Matricaria recutita l.). AU - Patrizia Rubiolo AU - Flavio Belliardo AU - Chiara Cordero AU - Erica Liberto AU - Barbara Sgorbini AU - Carlo Bicchi DO - 10.1002/pca.919 UR - https://pubmed.ncbi.nlm.nih.gov/16910037/ ID - 16910037 ER -