@article{FujiwaraTakahiro:2005-09-15, author="Fujiwara, Takahiro and Kumakura, Hiroshi and Ohta, Satomi and Yoshida, Yuko and Kameno, Tadashi", title="Seasonal Variation of L-Ascorbic Acid and Nitrate Content of Commercially Available Spinach(Human Issues in Horticulture)", journal="Horticultural research (Japan)", ISSN="13472658", publisher="The Japanese Society for Horticultural Science", year="2005", month="sep", volume="4", number="3", pages="347-352", URL="http://ci.nii.ac.jp/naid/110001828172/en/", DOI="", }