1. Sex steroid levels in the testes, ovaries and pyloric caeca during gametogenesis in the sea star Asterias vulgaris;Hines;Gen Comp Endocrinol,1992
2. The endocrinology of invertebrates;Lafont;Ecotoxicology,2000
3. Tissue- and species-specific variations in androgen metabolism;Watts,1994
4. Confirmation of the presence of oestradiol-17β in sea star Asterias rubens by GC–MS;Voogt;Comp Biochem Physiol,1992
5. Levels of progesterone, testosterone and estradiol and androstenedione metabolism in the gonads of Lytechinus variegatus (Echinodermata: Echinoidea);Wasson;Comp Biochem Physiol,2000