Citation: Wj. Chen et al., THE DEPENDENCE OF P=S VIBRATIONAL FREQUEN CIES ON THE SUBSTITUENTS FOR SOME ORGANOPHOSPHORUS COMPOUNDS, Huaxue xuebao, 51(10), 1993, pp. 987-993
Citation: J. Fan et al., DETECTION OF INFECTIONS OF THE EYE WITH CHLAMYDIA-TRACHOMATIS BY THE POLYMERASE CHAIN-REACTION, International ophtalmology, 17(6), 1993, pp. 327-330