TY - JOUR AU - Corrada, Y; Castex, G; Sosa, Y TI - Secretory patterns of prolactin in dogs: circannual and ultradian rhythmus JO - Reprod Domest Anim VL - 38 PY - 2003 DO - 10.1046/j.1439-0531.2003.00432.x L3 - PubMed-ID: 12753557 SP - 219 EP - 223 N1 - et al. ER -