PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Agricultural Science Plant Science Metabolic Sciences Forestry Panfeng Liu PeerJ Author Summary Agricultural Science Forestry Metabolic Sciences PeerJ Contributions Articles 1 August 21, 2020 Chemotype classification and biomarker screening of male Eucommia ulmoides Oliv. flower core collections using UPLC-QTOF/MS-based non-targeted metabolomics Panfeng Liu, Lu Wang, Qingxin Du, Hongyan Du https://doi.org/10.7717/peerj.9786 PubMed 32884862