Engström H, Engström B, Watanuki K
Adv Otorhinolaryngol. 1979;25:1-6.
The labyrinth of the American bullfrog (Rana catesbiana) has been studied by aid of light and electron microscopy. Cell counts and sensory area mapping has been made and it has been shown that scanning electron microscopy is the most appropriate technique at present for cell counts.
借助光学显微镜和电子显微镜对美国牛蛙（牛蛙）的迷路进行了研究。进行了细胞计数和感觉区域绘图，结果表明扫描电子显微镜是目前进行细胞计数最合适的技术。
