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Citation: Fd. Cheng, LIMIT CIRCLES BIFURCATED FROM A SOFT SPRING DUFFING EQUATION UNDER PERTURBATION, Applied mathematics and mechanics, 19(2), 1998, pp. 129-133

Authors: WANG CF CLAYBUME G ROTHFUSS S CHENG FD ZHANG H SCHUMACHER HR

Citation: Cf. Wang et al., CHLAMYDIA-TRACHOMATIS (C-TRACH) NUCLEIC-ACIDS ALSO OCCUR IN SOME OSTEOARTHRITIS (OA) CONTROLS, Arthritis and rheumatism, 41(9), 1998, pp. 1271-1271

Authors: KONG FX LIU Y CHENG FD

Citation: Fx. Kong et al., ALUMINUM TOXICITY AND NUTRIENT UTILIZATION IN THE MYCORRHIZAL FUNGUS HEBELOMA-MESOPHACUS, Bulletin of environmental contamination and toxicology, 59(1), 1997, pp. 125-131