Burns P.J., Ball, B.A., Tice, T.R., Mason, D.W., Love, D.F. (1990). A preliminary report on the efficacy of biodegradable microspheres for the controlled release of progesterone and estradiol for synchronization of ovulation in mares Theriogenology 33:202.

Ball B.A., Wilker C., Daels P.F., and P.J. Burns. 1992. Use of Progesterone in microspheres for maintenance of pregnancy in mares. Am. J. Vet. Res., Vol 53, No. 8, pages 1294-1297.

Blanchard, T.L., D.D. Varner, P.J. Burns, K.A. Everett, S. P. Brinsko, and L. Boehnke (1992). Regulation of estrus and ovulation in cyclic mares with progesterone or progesterone and estradiol biodegradable microspheres with or without PGF2 a . Theriogenology 38: 1091-1106.

Burns, P.J., J.V. Steiner, P.L. Sertich, M. Pozar, T.R.Tice, D.Mason, and D.F. Love, 1993. Evaluation of biodegradable microspheres for the controlled release of progesterone and estradiol in an ovulation control program for cycling mares. J. Eq. Vet. Sci. 13: 521-524

Fleury J.J., J.B. Costa-Neto and P.J. Burns. 1993 Regulation of estrus and ovulation with progesterone and estradiol microspheres: effect of different doses of estradiol J. Eq. Vet. Sci. 13: 525-528

Jasko, D.J., M.E. Farlin, H. Hutchinson, D.M. Moran, E.L. Squires and P.J. Burns. 1993. Progesterone and estradiol in biodegradable microspheres for control of estrus and ovulation in mares. Theriogenology 40:465-478

Arrott, C. M., M. Macpherson, T. Blanchard, D. Varner, J. Thompson, B. Simpson, J. Bruemmer, S. Volgelsang, M. Fernandez and P.J. Burns (1994) Biodegradable estradiol microspheres do not affect uterine involution or characteristics of postpartum estrus in mares. Theriogenology 42: 371-384

Burns, P.J., T.R.Tice, D. W. Mason, D.F. Love, R.R. Foss, F. Sarver, J. A. Woods, T.R. Sissener, A. V. Heitland, K. Wilhelm, M. E. Farlin, E. L. Squires 1994.Control of estrus and ovulation in mares using progesterone and estradiol microspheres in a multicenter trial. Proceed. Intern. Symp. Control. Rel. Bioact. Mater., Nice, France , 114-115 (1994)

Burns, P.J., T.R.Tice, D. W. Mason, D.F. Love, T. Ferrell, F. J. Gibson, K. Dippert, E. L. Squires (1996). Evaluation of a new process for preparation of progesterone and estradiol microspheres: an In-Vivo pharmacokinetics study. Proceedings Controlled Release Society Conference: Advances in Controlled Delivery. Baltimore MD. Abstract # 639

Cushman, R., J.H. Britt, P. Davis, U. Boonyaprakob, V Hedgpeth, J. Gibson, B. Hudson and P.J. Burns (1998) Pharmacodynamic evaluation of biodegradable estradiol-17 b ( microspheres and Prostaglandin F2 a ( for the control of estrus and ovulation in gilts. Proceed. Intern. Symp. Control. Rel. Bioact. Mater. Las Vagas, Nv. 25:251

Cushman, R., P. Davis, U. Boonyaprakob, V Hedgpeth, P.J. Burns and J.H. Britt. (1998) Use of slow-release estradiol-17 b (SRE) and PGF2 a to induce pseudopregnancy and control estrus in gilts. J. Anim. Sci. 76: (suppl. 1): 216

Bynum, R.J., Thompson, D.L., Gentry, L.R., Morris, S.R., Burns P.J., Deghenghi, R. (1998) physiological responses to a novel growth hormone-realsing tripeptide (EP51389) in yearling horses. J. Anim. Sci. 76: (suppl. 1):119

Morris, S.R., Thompson, D.L., Bynum, R.J., Gentry, L.R., Burns P.J. and R. Deghenghi. (1999) Growth Hormone Response to a Novel Growth Hormone-realsing Tripeptide in Mares: Interaction with GnRH, TRH and Sulpiride. Proc.16th Equine Nutr. Physio. Symp., Raleigh, NC. 16: 272-273

Thompson, Jr., D.L., P.J. Burns, N. Umphenour and B.W. Simon . (1999) Hormonal Characteristics and Responses to Natural Mating Stallions of Various Ages Verus Foaling Percentages. Proc.16th Equine Nutr. Physio. Symp., Raleigh, NC. 16: 180-181

Burns P.J., R.R. Foss, F. Sarver, J. A. Woods, T.R. Sissener, A. V. Heitland, K. Wilhelm, M. E. Farlin, E. L. Squires 1999. Control of Estrus and Ovulation in Mares using Progesterone and Estradiol Microspheres in a Multicenter Trial. Proc.16th Equine Nutr. Physio. Symp., Raleigh, NC. 16: (Accepted)

Burns P.J. (1999) Enhanced Reproductive Management of Domesticated Livestock using Biodegradable Controlled Release Drug Delivery Formulations. Proceed. Intern. Symp. Control. Rel. Bioact. Mater. Boston MA. 26: Invited

Nally,J., S. Artiushin, A. Sheoran, J.Timoney J. Gibson, S. Sullivan, R.Gilley, B. Simon P.J. Burns (1999) Induction of Mucosal IgA Specific for SemF3 of Streptococcus equi with Intranasal Vaccination using Sucrose Acetate Isobutyrate Based Delivery System. Proceed. Intern. Symp. Control. Rel. Bioact. Mater. Boston MA. 26: Submitted

Cushman, R., P. Davis, U. Boonyaprakob, V Hedgpeth, P.J. Burns and J.H. Britt. (1999) Use of slow-release estradiol-17 b (SRE) and PGF2 a to induce pseudopregnancy and control estrus in gilts. J. Anim. Sci. 77: (submitted)