Complex epidermal organs of Phascolion (Sipuncula): insights into the evolution of bimodal secretory cells in annelids.Published in:Acta Zoologica, 2015, v. 96, n. 3, p. 343, doi. 10.1111/azo.12082By:Müller, Carsten H.G.;Hylleberg, Jørgen;Michalik, PeterPublication type:Article