| Open pulled straw (OPS) vitrification: a new way to reduce cryoinjuries of bovine ova and embryos G Vajta, P Holm, M Kuwayama, PJ Booth, H Jacobsen, T Greve, ... Molecular Reproduction and Development: Incorporating Gamete Research 51 (1 …, 1998 | 1446 | 1998 |
| High bovine blastocyst development in a static in vitro production system using SOFaa medium supplemented with sodium citrate and myo-inositol with or without serum-proteins P Holm, PJ Booth, MH Schmidt, T Greve, H Callesen Theriogenology 52 (4), 683-700, 1999 | 843 | 1999 |
| New method for culture of zona‐included or zona‐free embryos: The Well of the Well (WOW) system G Vajta, TT Peura, P Holm, A Paldi, T Greve, AO Trounson, H Callesen Molecular Reproduction and Development: Incorporating Gamete Research 55 (3 …, 2000 | 475 | 2000 |
| Successful vitrification of early stage bovine in vitro produced embryos with the open pulled straw (OPS) method. G Vajta, PJ Booth, P Holm, T Greve, H Callesen | 326 | 1997 |
| Vitrification of porcine embryos using the Open Pulled Straw (OPS) method G Vajta, P Holm, T Greve, H Callesen Acta Veterinaria Scandinavica 38, 349-352, 1997 | 222 | 1997 |
| Pregnancies and live birth from in vitro fertilization of calf oocytes collected by laparoscopic follicular aspiration DT Armstrong, P Holm, B Irvine, BA Petersen, RB Stubbings, D McLean, ... Theriogenology 38 (4), 667-678, 1992 | 218 | 1992 |
| Kinetics of early in vitro development of bovine in vivo-and in vitro-derived zygotes produced and/or cultured in chemically defined or serum-containing media P Holm, PJ Booth, H Callesen REPRODUCTION-CAMBRIDGE- 123 (4), 553-565, 2002 | 217 | 2002 |
| Influence of antral follicle size on oocyte characteristics and embryo development in the bovine AS Lequarre, C Vigneron, F Ribaucour, P Holm, I Donnay, R Dalbiès-Tran, ... Theriogenology 63 (3), 841-859, 2005 | 190 | 2005 |
| Developmental kinetics of the first cell cycles of bovine in vitro produced embryos in relation to their in vitro viability and sex P Holm, NN Shukri, G Vajta, P Booth, C Bendixen, H Callesen Theriogenology 50 (8), 1285-1299, 1998 | 189 | 1998 |
| Embryo viability, duration of gestation and birth weight in sheep after transfer of in vitro matured and in vitro fertilized zygotes cultured in vitro or in vivo P Holm, SK Walker, RF Seamark Reproduction 107 (2), 175-181, 1996 | 176 | 1996 |
| The effect of media, serum and temperature on in vitro survival of bovine blastocysts after open pulled straw (OPS) vitrification G Vajta, N Rindom, TT Peura, P Holm, T Greve, H Callesen Theriogenology 52 (5), 939-948, 1999 | 157 | 1999 |
| In vivo versus in vitro produced bovine ova: similarities and differences relevant for practical application P Holm, H Callesen Reproduction Nutrition Development 38 (6), 579-594, 1998 | 134 | 1998 |
| Numerical chromosome errors in day 7 somatic nuclear transfer bovine blastocysts PJ Booth, D Viuff, S Tan, P Holm, T Greve, H Callesen Biology of reproduction 68 (3), 922-928, 2003 | 114 | 2003 |
| Effect of stage of follicular growth during superovulation on developmental competence of bovine oocytes P Humblot, P Holm, P Lonergan, C Wrenzycki, AS Lequarré, CG Joly, ... Theriogenology 63 (4), 1149-1166, 2005 | 106 | 2005 |
| Simplification of bovine somatic cell nuclear transfer by application of a zona-free manipulation technique PJ Booth, SJ Tan, R Reipurth, P Holm, H Callesen Cloning & Stem Cells 3 (3), 139-150, 2001 | 106 | 2001 |
| The effect of oxygen tension on porcine embryonic development is dependent on embryo type PJ Booth, P Holm, H Callesen Theriogenology 63 (7), 2040-2052, 2005 | 105 | 2005 |
| The submarine incubation system, a new tool for in vitro embryo culture: a technique report G Vajta, P Holm, T Greve, H Callesen Theriogenology 48 (8), 1379-1385, 1997 | 105 | 1997 |
| Overall efficiency of in vitro embryo production and vitrification in cattle G Vajta, P Holm, T Greve, H Callesen Theriogenology 45 (3), 683-689, 1996 | 95 | 1996 |
| Application of the zona-free manipulation technique to porcine somatic nuclear transfer PJ Booth, SJ Tan, P Holm, H Callesen Cloning & Stem Cells 3 (4), 191-197, 2001 | 77 | 2001 |
| Factors affecting survival rates of in vitro produced bovine embryos after vitrification and direct in-straw rehydration G Vajta, P Holm, T Greve, H Callesen Animal Reproduction Science 45 (3), 191-200, 1996 | 75 | 1996 |
