Primary analysis of mitochondrial cytochrome b gene sequences of Chinese bagrid fish mystus guttatus Individual Variation of Gutta-percha Content in Barks of Eucommia ulmoides Oliv. Dynamic of Gutta-percha Formation and Accumulation in Samara of Eucommia ulmoides An Elite Variety for Samara Use: Eucommia ulmoides ‘Huazhong No.8’ An Elite Variety for Samara Use: Eucommia ulmoides ’Huazhong NO.9’ Observation and experiment to Latrodectus tredecimguttatus‘s bioecology KARYOTYPIC ANALYSIS OF ARNEBIA EUCHROMA AND A. GUTTATA An Elite Variety for Samara Use: Eucommia ulmoides ‘Huazhong No.7’ An Elite Variety for Samara Use: Eucommia ulmoides ‘Huazhong No.6’ Studies on the shape features of gutta-containing cells of Eucommia ulmoides Study on differences of bioactive constituents and gutta in Eucommia ulmoides leaves with different species Individual Variation of Gutta-percha Content in Samaras of Eucommia ulmoides Variation Dynamic of Gutta-Percha Content Characters in Barks from Different Producing Areas Associated with Eucommia ulmoides Efficacy of Xiaoxingzhang Guttae Ophthalmic Eye Drops in Treatment of Experimental Herpes Simplex Keratitis Difference of Samara‘s Form Characters and Gutta-Percha Content from Different Producing Areas Associated with Eucommia ulmoides Variations of Gutta-Percha Content in Samara from Different Eucommia ulmoides Forms Studles on the Initiation and Development of Gutta-containing Cells of Eucommia ulmoides Oliv. Comparison of Cytology, Apical Buds and Gutta Content Between Staminate and Pistillate of Eucommia ulmoides Trees