Effects of injections and/or subcutaneous implants of melatonin on pituitary and plasma levels of LH, FSH and PRL in ovariectomized Syrian hamsters C. TRAKULRUNGSI, R. J. REITER, W. K. TRAKULRUNGSI, M. K. VAUGHAN and L. Y. JOHNSONAnn. Biol. anim. Bioch. Biophys., 19 6 (1979) 1647-1654DOI: https://doi.org/10.1051/rnd:19791002