@article{2f26fec85dcf401ba2a7ef6bfb4f8c47,
title = "Phloem sap collection from lettuce (Lactuca sativa L.): chemical comparison among collection methods.",
keywords = "amino acids, aphid-honeydew, EDTA chelation, Lactuca sativa, lettuce, Phloem sap, plant resistance, secondary plant metabolites, stylectomy, sugars",
author = "{van Helden}, M. and W.F. Tjallingii and {van Beek}, T.A.",
year = "1994",
doi = "10.1007/bf02033720",
language = "English",
volume = "20",
pages = "3191--3206",
journal = "Journal of Chemical Ecology",
issn = "0098-0331",
publisher = "Springer",
}