1. Ecdysone levels during metamorphosis of Drosophila melanogaster;Borst;Dev. Biol.,1974
2. Arthropod molting hormone: Radioimmune assay;Borst;Science,1972
3. Trace analysis of ecdysones by gas liquid chromatography, radioimmunoassay and bioassay;Borst;Steroids,1974
4. Ecdysteroid titres and integumental events during the metamorphosis of Tenebrio molitor;De Lachambre,1980
5. The regulation of the metamorphic moults in the Colorado potato beetle Leptinotarsa decemlineata Say;De Wilde,1980