| Intraspecific phylogeography of Lacerta vivipara and the evolution of viviparity Y Surget-Groba, B Heulin, CP Guillaume, RS Thorpe, L Kupriyanova, ... Molecular phylogenetics and evolution 18 (3), 449-459, 2001 | 148 | 2001 |
| Histological, chemical and behavioural evidence of pedal communication in brown bears A Sergiel, J Naves, P Kujawski, R Maślak, E Serwa, D Ramos, ... Scientific Reports 7 (1), 1052, 2017 | 45 | 2017 |
| Light and scanning microscopic studies of integument differentiation in the grass snake Natrix natrix L. (Lepidosauria, Serpentes) during embryogenesis E Swadźba, R Maślak, W Rupik Acta Zoologica 90 (1), 30-41, 2009 | 27 | 2009 |
| Some aspects of locomotory stereotypies in spectacled bears (Tremarctos ornatus) and changes in behavior after relocation and dental treatment R Maslak, A Sergiel, SP Hill Journal of Veterinary Behavior 8 (5), 335-341, 2013 | 25 | 2013 |
| The Brain Anatomy of the Brown Bear (Carnivora, Ursus arctos L., 1758) Compared to That of Other Carnivorans: A Cross-Sectional Study Using MRI T Sienkiewicz, A Sergiel, D Huber, R Maślak, M Wrzosek, P Podgórski, ... Frontiers in Neuroanatomy 13, 79, 2019 | 16 | 2019 |
| The welfare of bears in zoos: A case study of poland R Maślak, A Sergiel, D Bowles, Ł Paśko Journal of Applied Animal Welfare Science 19 (1), 24-36, 2016 | 15 | 2016 |
| Metal (loid) exposure assessment and biomarker responses in captive and free-ranging European brown bear (Ursus arctos) M Lazarus, T Orct, A Sergiel, L Vranković, VF Marijić, D Rašić, S Reljić, ... Environmental research 183, 109166, 2020 | 13 | 2020 |
| Fellatio in captive brown bears: Evidence of long‐term effects of suckling deprivation? A Sergiel, R Maślak, A Zedrosser, Ł Paśko, DL Garshelis, S Reljić, ... Zoo biology 33 (4), 349-352, 2014 | 13 | 2014 |
| Genetics of the peripheral populations of the alpine bullhead, Cottus poecilopus (Scorpaeniformes, Cottidae) in Poland Ł Paśko, R Maślak Journal of Zoological Systematics and Evolutionary Research 41 (3), 196-204, 2003 | 12 | 2003 |
| Ultrastructural features of the differentiating thyroid primordium in the sand lizard (Lacerta agilis L.) from the differentiation of the cellular cords to the formation of the … W Rupik, M Kowalska, E Swadźba, R Maślak Zoology 119 (2), 97-112, 2016 | 10 | 2016 |
| Stereotypies: development and effects. (in Polish) A Sergiel, R Maślak, J Kusznierz, Ł Paśko Medycyna Weterynaryjna 68 (7), 402-405, 2012 | 7* | 2012 |
| A microsatellite study in the Łęgucki Młyn/Popielno hybrid zone reveals no genetic differentiation between two chromosome races of the common shrew (Sorex araneus) M Moska, H Wierzbicki, A Macierzyńska, T Strzała, R Maślak, ... Acta Theriologica 56 (2), 117-122, 2011 | 7 | 2011 |
| Występowanie salamandry plamistej Salamandra s. salamandra Linnaeus, 1758 na Dolnym Śląsku A Ogrodowczyk, M Ogielska, P Kierzkowski, R Maślak Przyroda Sudetów 13, 179-192, 2010 | 7 | 2010 |
| Predators of the common lizard (Zootoca vivipara) in a habitat of forest glade in SW Poland R Maslak, L Pasko Bulletin-British Herpetological Society, 39-48, 1999 | 6 | 1999 |
| Broad-scale morphometric diversity in the lake minnow Eupallasella percnurus (Cyprinidae: Pisces) J Kusznierz, Ł Paśko, R Maślak, A Pietras-Lebioda, B Borczyk, D Tagayev, ... Annales Zoologici Fennici 54 (5–6), 357-371, 2017 | 5 | 2017 |
| Winter blood values of selected parameters in a group of non-hibernating captive brown bears (Ursus arctos) A Sergiel, M Bednarski, R Maslak, T Pasecki, D Huber Polish Journal of Veterinary Sciences 18 (4), 2015 | 4 | 2015 |
| The Welfare of Animals in Zoos and EU Legal Standards A Gruszczyńska, R Maślak, A Sergiel Dom Wydawniczy Elipsa, 2014 | 3 | 2014 |
| Dobrostan zwierząt w ogrodach zoologicznych a standardy prawne UE T Gardocka, A Gruszczyńska, R Maślak, A Sergiel Dom Wydawniczy „Elipsa”, Warszawa, 2014 | 2 | 2014 |
| The welfare of captive bears A SERGIEL, R MAŚLAK The welfare of animals in zoos and EU legal standards 544, 129, 2014 | 2 | 2014 |
| Stereotypic behavior-a review of definitions and classifications. (in Polish) A Sergiel, R Maślak, J Kusznierz, Ł Paśko Medycyna Weterynaryjna 68 (1), 45-48, 2012 | 2* | 2012 |
