APPLICATIONS OF VAPOR-PROGRAMMED THIN LAYER CHROMATOGRAPHY TO SEPARATIONS OF CLOSELY RELATED COMPONENTS.DE ZEEUW RA.1977; SEPAR. PURIFIC. METHODS; U.S.A.; DA. 1977; VOL. 6; NO 1; PP. 129-151; BIBL. 19 REF.Article

RADIOCHEMICAL PURITY CONTROL OF RADIOLABELED DRUGSDRENTH BFH; DE ZEEUW RA.1982; INT. J. APPL. RADIAT. ISOT.; ISSN 0020-708X; USA; DA. 1982; VOL. 33; NO 8; PP. 681-683; BIBL. 5 REF.Article

RAPID ANALYSIS OF SIMPLE CARBOHYDRATES BY MEANS OF VAPOUR-PROGRAMMED THIN-LAYER CHROMATOGRAPHY AND DENSITOMETRY AND USING A NEW SPOTTING DEVICEDE ZEEUW RA; DULL GG.1975; J. CHROMATOGR.; NETHERL.; DA. 1975; VOL. 110; NO 2; PP. 279-286; BIBL. 17 REF.Article

EVALUATION AND OPTIMIZATION OF THE STANDARD ADDITION METHOD FOR ABSORPTION SPECTROMETRY AND ANODIC STRIPPING VOLTAMMETRY.FRANKE JP; DE ZEEUW RA.1978; ANAL. CHEM.; U.S.A.; DA. 1978; VOL. 50; NO 9; PP. 1374-1380; BIBL. 11 REF.Article

DIFFERENTIAL PULSE ANODIC STRIPPING VOLTAMMETRY AS A RAPID SCREENING TECHNIQUE FOR HEAVY METAL INTOXICATIONS.FRANKE JP; DE ZEEUW RA.1977; ARCH. TOXIKOL.; GERM.; DA. 1977; VOL. 37; NO 1; PP. 47-55; ABS. ALLEM.; BIBL. 15 REF.Article

UNIVERSAL, MULTI-CHANNEL ULTRAVIOLET DETECTION IN THE PURITY ANALYSIS OF 2-ETHYL-3-(4-HYDROXYBENZOYL) INDOLIZINE BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHYDRENTH BFH; GHIJSEN RT; DE ZEEUW RA et al.1982; J. CHROMATOGR.; ISSN 0021-9673; NLD; DA. 1982; VOL. 238; NO 1; PP. 113-120; BIBL. 8 REF.Article

DETERMINATION OF CARBOXYLIC ACIDS IN THE PICOMOLE RANGE AFTER DERIVATIZATION WITH PENTAFLUOROBENZYL BROMIDE AND ELECTRON CAPTURE GAS CHROMATOGRAPHY.GREVING JE; JONKMAN JHG; DE ZEEUW RA et al.1978; J. CHROMATOGR.; NETHERL.; DA. 1978; VOL. 148; NO 2; PP. 389-395; BIBL. 14 REF.Article

A RAPID AND SPECIFIC METHOD FOR THE DETERMINATION OF TRACES OF THALLIUM DIRECTLY IN URINE BY DIFFERENTIAL PULSE ANODIC STRIPPING VOLTAMMETRY.FRANKE JP; COENEGRACHT PMJ; DE ZEEUW RA et al.1975; ARCH. TOXICOL.; GERM.; DA. 1975; VOL. 34; NO 2; PP. 137-143; ABS. ALLEM.; BIBL. 11 REF.Article

HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY WITH CONTINUOUS GRADIENT ELUTION IN SCREENING FOR UNKNOWN METABOLITES OF BUTOPROZINE DIRECTLY IN DOG BILEOVERZET F; DRENTH BFH; DE ZEEUW RA et al.1981; HRC & CC, HIGH RESOLUT. CHROMATOGR. CHROMATOGR. COMMUN.; ISSN 0344-7138; DEU; DA. 1981; VOL. 4; NO 9; PP. 448-453; BIBL. 5 REF.Article

INTERFERENCE OF ALKANES IN THE GAS CHROMATOGRAPHIC ANALYSIS OF CANNABIS PRODUCTSDE ZEEUW RA; WUSBEEK J; MALINGRE TM et al.1973; J. PHARM. PHARMACOL.; G.B.; DA. 1973; VOL. 25; NO 1; PP. 21-26; BIBL. 19REF.Serial Issue

INFLUENCE OF DEVELOPMENT DISTANCE ON RESOLUTION IN THIN-LAYER CHROMATOGRAPHYFRANKE JR; KRUYT W; DE ZEEUW RA et al.1983; HRC & CC. JOURNAL OF HIGH RESOLUTION CHROMATOGRAPHY & CHROMATOGRAPHY COMMUNICATIONS; ISSN 0344-7138; DEU; DA. 1983; VOL. 6; NO 2; PP. 82-88; BIBL. 9 REF.Article

BIOAVAILABILITY OF THE QUATERNARY AMMONIUM COMPOUND THIAZINAMIUM METHYLSULPHATE (MULTERGAN) AFTER ORAL AND INTRAMUSCULAR ADMINISTRATION = LA BIODISPONIBILITE DU COMPOSE AMMONIUM QUATERNAIRE THIAZINAMIUM METHYLSULFATE (MULTERGAN) APRES ADMINISTRATION PER OS ET INTRAMUSCULAIREJONKMAN JHG; WIJSBEEK J; BROUWER SH et al.1974; J. PHARM. PHARMACOL., SUPPL.; G.B.; DA. 1974; VOL. 26; PP. 63; BIBL. 7REF.; (BR. PHARM. CONF. 111TH MEET. SCI. PAP. COMMUN.; NOTTINGHAM; 1974)Conference Paper

SCREENING FOR UNKNOWN COMPOUNDS BY HPLC USING A MULTICHANNEL DIODE ARRAY UV-VIS SPECTROPHOTOMETER: APPLICATION TO DRUG METABOLISMGHIJSEN RT; DRENTH BHF; OVERZET F et al.1982; HRC & CC, HIGH RESOLUT. CHROMATOGR. CHROMATOGR. COMMUN.; ISSN 0344-7138; DEU; DA. 1982; VOL. 5; NO 4; PP. 192-198; BIBL. 9 REF.Article

MULTICHANNEL DIODE ARRAY UV-VISIBLE SPECTROPHOTOMETER AS DETECTOR IN SCREENING FOR UNKNOWN BUTOPROZINE METABOLITES IN DOG BILE BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHYOVERZET F; GHIJSEN RT; DRENTH BFH et al.1982; J. CHROMATOGR.; ISSN 0021-9673; NLD; DA. 1982; VOL. 240; NO 1; PP. 190-195; BIBL. 10 REF.Article

A NEW IN VITRO DISSOLUTION TEST FOR CONTROLLED-RELEASE THEOPHYLLINE TABLETSJONKMAN JHG; SCHOENMAKER R; GRIMBERG N et al.1981; INT. J. PHARM.; ISSN 0378-5173; NLD; DA. 1981; VOL. 8; NO 2; PP. 153-156; BIBL. 9 REF.Article

COMPOSITION OF PHOSPHOLIPIDS IN PLASMODIUM KNOWLESI MEMBRANES AND IN HOST RHESUS ERYTHROCYTE MEMBRANESDE ZEEUW RA; WIJSBEEK J; ROCK RC et al.1972; PROC. HELMINTHOL. SOC. WASHINGTON; U.S.A.; DA. 1972; VOL. 39; PP. 412-418; BIBL. 11REF.Serial Issue

IDENTIFICATION OF ERGOT-PEPTIDE ALKALOIDS, BASED ON GAS-LIQUID CHROMATOGRAPHY OF THE PEPTIDE MOIETY.VAN MANSVELT FJW; GREVING JE; DE ZEEUW RA et al.1978; J. CHROMATOGR.; NETHERL.; DA. 1978; VOL. 151; NO 2; PP. 113-120; BIBL. 19 REF.Article

ANALYTICAL PROBLEMS WITH PUTREFACTION IN A FATAL CASE INVOLVING ERGOTAMINE AND PENTAZOCINE.DE ZEEUW RA; VAN MANSVELT FJW; GREVING JE et al.1977; J. FORENS. SCI.; U.S.A.; DA. 1977; VOL. 22; NO 3; PP. 550-557; BIBL. 10 REF.Article

DETERMINATION OF THIAZINAMIUM SULPHOXIDE IN URINE BY MEANS OF AMBERLITE XAD-2 COLUMN CHROMATOGRAPHY AND THIN-LAYER DENSITOMETRY.JONKMAN JHG; WIJSBEEK J; GRAVING JE et al.1976; J. CHROMATOGR.; NETHERL.; DA. 1976; VOL. 128; NO 1; PP. 208-211; BIBL. 18 REF.Article

RELATIONSHIP BETWEEN CARBAMAZEPINE CONCENTRATIONS IN PLASMA AND SALIVA IN MAN AS DETERMINED BY LIQUID CHROMATOGRAPHY.WESTENBERG HGM; DE ZEEUW RA; VAN DER KLEIJN E et al.1977; CLIN. CHIM. ACTA; PAYS-BAS; DA. 1977; VOL. 79; NO 1; PP. 155-161; BIBL. 27 REF.Article

DISPOSITION AND CLINICAL PHARMACOKINETICS OF THEOPHYLLINE AFTER ADMINISTRATION OF A NEW SUSTAINED RELEASE TABLETJONKMAN JHG; BERG WC; DE VRIES K et al.1981; EUR. J. CLIN. PHARMACOL.; ISSN 0031-6970; DEU; DA. 1981; VOL. 21; NO 1; PP. 39-44; BIBL. 16 REF.Article

DISPOSITION AND CLINICAL PHARMACOKINETICS OF MICROCRYSTALLINE THEOPHYLLINEJONKMAN JHG; BERG WC; SCHOENMAKER R et al.1980; EUROP. J. CLIN. PHARMACOL.; DEU; DA. 1980; VOL. 17; NO 5; PP. 379-384; BIBL. 25 REF.Article

CORRELATION OF SERUM AND SALIVA THEOPHYLLINE CONCENTRATIONS AFTER ADMINISTRATION OF A SUSTAINED RELEASE PREPARATIONJONKMAN JHG; KOETER GH; SCHOENMAKER R et al.1981; EUR. J. CLIN. PHARMACOL.; ISSN 0031-6970; DEU; DA. 1981; VOL. 20; NO 1; PP. 73-78; BIBL. 21 REF.Article

AN UNUSUAL CASE OF CARBAMAZEPINE POISONING WITH A NEAR-FATAL RELAPSE AFTER TWO DAYSDE ZEEUW RA; WESTENBERG HGM; VAN DER KLEIJN E et al.1979; CLIN. TOXICOL.; USA; DA. 1979; VOL. 14; NO 3; PP. 263-269; BIBL. 13 REF.Article

VARIATIONS IN THE BIOAVAILABILITY OF THIAZINAMIUM METHYLSULFATE.JONKMAN JHG; VAN BORK LE; WIJSBEEK J et al.1977; CLIN. PHARMACOL. THERAPEUT.; U.S.A.; DA. 1977; VOL. 21; NO 4; PP. 457-463; BIBL. 1 P. 1/2Article