Media type: E-Article Title: Effects of 17?-ethinylestradiol on zoo- and phytoplankton in lentic microcosms Contributor: Hense, Burkhard A.; Severin, Gabriele F.; Welzl, Gerhard; Schramm, Karl-Werner Published: Springer Science and Business Media LLC, 2004 Published in: Analytical and Bioanalytical Chemistry, 378 (2004) 3, Seite 716-724 Language: Not determined DOI: 10.1007/s00216-003-2379-y ISSN: 1618-2642; 1618-2650 Keywords: Biochemistry ; Analytical Chemistry Origination: Footnote: