au.\*:("TSCHERNE RJ")
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DETERMINATION OF VITAMIN D2 IN GELATIN-PROTECTED VITAMIN A ACETATE/VITAMIN D2 BEADLETS BY HIGH PRESSURE LIQUID CHROMATOGRAPHYTOMKINS DF; TSCHERNE RJ.1974; ANAL. CHEM.; U.S.A.; DA. 1974; VOL. 46; NO 11; PP. 1602-1604; BIBL. 13REF.Article
DETERMINATION OF ISOPHENINDAMINE IN PHENINDAMINE TARTRATE USING AN ARGENTATED HIGH-PERFORMANCE LIQUID CHROMATOGRAPHIC MOBILE PHASETSCHERNE RJ; UMAGAT H.1980; J. PHARM. SCI.; USA; DA. 1980; VOL. 69; NO 3; PP. 342-344; BIBL. 2 REF.Article