| Male development of chromosomally female mice transgenic for Sry P Koopman, J Gubbay, N Vivian, P Goodfellow, R Lovell-Badge Nature 351 (6322), 117-121, 1991 | 2301 | 1991 |
| A gene mapping to the sex-determining region of the mouse Y chromosome is a member of a novel family of embryonically expressed genes J Gubbay, J Collignon, P Koopman, B Capel, A Economou, ... Nature 346 (6281), 245-250, 1990 | 1865 | 1990 |
| Phylogeny of the SOX family of developmental transcription factors based on sequence and structural indicators J Bowles, G Schepers, P Koopman Developmental biology 227 (2), 239-255, 2000 | 1027 | 2000 |
| SOX9 directly regulates the type-ll collagen gene DM Bell, KKH Leung, SC Wheatley, LJ Ng, S Zhou, KW Ling, MH Sham, ... Nature genetics 16 (2), 174-178, 1997 | 976 | 1997 |
| Retinoid signaling determines germ cell fate in mice J Bowles, D Knight, C Smith, D Wilhelm, J Richman, S Mamiya, K Yashiro, ... Science 312 (5773), 596-600, 2006 | 927 | 2006 |
| Expression of a candidate sex-determining gene during mouse testis differentiation P Koopman, A Münsterberg, B Capel, N Vivian, R Lovell-Badge Nature 348 (6300), 450-452, 1990 | 904 | 1990 |
| Circular transcripts of the testis-determining gene Sry in adult mouse testis B Capel, A Swain, S Nicolis, A Hacker, M Walter, P Koopman, ... Cell 73 (5), 1019-1030, 1993 | 855 | 1993 |
| The Sry-related gene Sox9 is expressed during chondrogenesis in mouse embryos E Wright, MR Hargrave, J Christiansen, L Cooper, J Kun, T Evans, ... Nature genetics 9 (1), 15-20, 1995 | 778 | 1995 |
| A male-specific role for SOX9 in vertebrate sex determination J Kent, SC Wheatley, JE Andrews, AH Sinclair, P Koopman Development 122 (9), 2813-2822, 1996 | 774 | 1996 |
| SOX9 binds DNA, activates transcription, and coexpresses with type II collagen during chondrogenesis in the mouse LJ Ng, S Wheatley, GEO Muscat, J Conway-Campbell, J Bowles, E Wright, ... Developmental biology 183 (1), 108-121, 1997 | 725 | 1997 |
| Sex determination and gonadal development in mammals D Wilhelm, S Palmer, P Koopman Physiological reviews, 2007 | 624 | 2007 |
| Twenty pairs of sox: extent, homology, and nomenclature of the mouse and human sox transcription factor gene families GE Schepers, RD Teasdale, P Koopman Developmental cell 3 (2), 167-170, 2002 | 567 | 2002 |
| SOX9 enhances aggrecan gene promoter/enhancer activity and is up-regulated by retinoic acid in a cartilage-derived cell line, TC6 I Sekiya, K Tsuji, P Koopman, H Watanabe, Y Yamada, K Shinomiya, ... Journal of Biological Chemistry 275 (15), 10738-10744, 2000 | 535 | 2000 |
| Sox18 induces development of the lymphatic vasculature in mice M Francois, A Caprini, B Hosking, F Orsenigo, D Wilhelm, C Browne, ... Nature 456 (7222), 643-647, 2008 | 484 | 2008 |
| Ovary and Ovulation: Fresh and cryopreserved ovarian tissue samples from donors with lymphoma transmit the cancer to graft recipients JM Shaw, J Bowles, P Koopman, EC Wood, AO Trounson Human Reproduction 11 (8), 1668-1673, 1996 | 384 | 1996 |
| Seeds of concern RJ Aitken, P Koopman, SEM Lewis Nature 432 (7013), 48-52, 2004 | 375 | 2004 |
| Matching SOX: partner proteins and co-factors of the SOX family of transcriptional regulators M Wilson, P Koopman Current opinion in genetics & development 12 (4), 441-446, 2002 | 363 | 2002 |
| Retinoic acid, meiosis and germ cell fate in mammals J Bowles, P Koopman Development 134 (19), 3401-3411, 2007 | 356 | 2007 |
| Hypoxia induces chondrocyte-specific gene expression in mesenchymal cells in association with transcriptional activation of Sox9 JC Robins, N Akeno, A Mukherjee, RR Dalal, BJ Aronow, P Koopman, ... Bone 37 (3), 313-322, 2005 | 338 | 2005 |
| Stimuli-responsive gels as reaction vessels and reusable catalysts DD Díaz, D Kühbeck, RJ Koopmans Chemical Society Reviews 40 (1), 427-448, 2011 | 334 | 2011 |
