Citation: D. Pelc et Cgh. Steel, RHYTHMIC STEROIDOGENESIS BY THE PROTHORACIC GLANDS OF THE INSECT RHODNIUS-PROLIXUS IN THE ABSENCE OF RHYTHMIC NEUROPEPTIDE INPUT - IMPLICATIONS FOR THE ROLE OF PROTHORACICOTROPIC HORMONE, General and comparative endocrinology, 108(3), 1997, pp. 358-365