Reddy, I.; Kiran, G. R.; Mondal, S.; Anandan, S. Prolactin, Luteinizing Hormone and Steroid Hormone Concentration in Punjab Brown (PB3) Birds Immunized Against Vasoactive Intestinal Peptide During the Early Stages of Egg Production. Int. J. Poult. Sci. 2007, 6 (9), 637–641. https://doi.org/10.3923/ijps.2007.637.641.