Search for: [Subject and Keywords = beaver] OR [Subject and Keywords = vaginal smears] OR [Subject and Keywords = bóbr] OR [Subject and Keywords = rozmaz pochwowy] OR [Subject and Keywords = cykl płciowy] OR [Title = Vaginal smears during a sexual cycle of the beaver] OR [Creator = Doboszyńska, T.] OR [Creator = Żurowski, W.]