Sotta, B An avidin-biotin solid phase ELISA for femtomole isopentenyladenine and isopentenyladenosine measurements in HPLC purified plant extracts. [electronic resource] - Plant physiology Jul 1987 - 571-3 p. digital Publication Type: Journal Article ISSN: 0032-0889 Standard No.: 10.1104/pp.84.3.571 doi