1. Rossicr. el al. P-cndorphin and adrenocorticotrophin arc sccrcted concomitantly by pituitary gland;T, Guillemin R.Viargo;Scienice,1977
2. Human plasma V-endorphin during prcgnancy. labour aind dclivery;AG, Goland R.S.Wardlaiw S.L.Stark R.I.Frantz;J Cliti Enidocriniol Metib,1981
3. Hoffman DI Hung TT. Bcticndorphin in prcgnancy;TK, Goebelsmann U.Abboud;Eur J Obstet Gy'necol Reprodl Biol
4. lI-lipotrophin and jiendorphin plasma lcvels during pregnancy;D, Genazzaini A.R.Facchinetti F.Parrini;Clit/ Etdocritol,1981
5. Maitcrnal-fetal ACTHI rclationship in main. J Cliti Et1doc-ritiol Mettib 1973; 37: 23(-4. Wintcrs AJl Olivcr C. Colston C. MaicDonald PG. Plasma ACTH levels in the human fctus and nconate as rclaited to age and parturition;R, Allen J.P.Coor D.M.Kcndall J.W.McGilvra;J Cliti Endocrinol Metab