CIMETIDINE DOSAGE REGIMEN FOR PATIENTS WITH RENAL FAILURE AND FOR GERIATRIC PATIENTSRITSCHEL WA.1982; EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY; ISSN 0031-6970; DEU; DA. 1982; VOL. 23; NO 6; PP. 501-504; BIBL. 14 REF.Article

DRUG ACTION AND INTERACTION IN THE GERIATRIC PATIENT.RITSCHEL WA.1977; SCI. PHARM.; AUSTR.; DA. 1977; VOL. 45; NO 4; PP. 304-310; BIBL. 1 P.Article

AGE-DEPENDENT DISPOSITION OF AMOBARBITAL: ANALOG COMPUTER EVALUATIONRITSCHEL WA.1978; J. AMER. GERIATR. SOC.; USA; DA. 1978; VOL. 26; NO 12; PP. 540-543; BIBL. 13 REF.Article

COMPILATION OF PHARMACOKINETIC PARAMETERS OF BETA-ADRENERGIC BLOCKING AGENTSRITSCHEL WA.1980; DRUG. INTELL. CLIN. PHARM.; ISSN 0012-6578; USA; DA. 1980; VOL. 14; NO 11; PP. 746-756; ABS. FRE; BIBL. 79 REF.Article

THE SCIENTIFIC BASIS OF BIOAVAILABILITY.RITSCHEL WA.1978; LABO-PHARMA, PROBL. TECH.; FR.; DA. 1978; VOL. 26; NO 276; PP. 395-404; ABS. FR.; BIBL. 22 REF.Article

DOSE SIZE AND DOSING INTERVAL DETERMINATION. = DETERMINATION DE L'IMPORTANCE DES DOSES ET DE L'INTERVALLE ENTRE LES DOSESRITSCHEL WA.1975; ARZNEIMITTEL-FORSCH.; DTSCH.; DA. 1975; VOL. 25; NO 9; PP. 1442-1447; ABS. ALLEM.; BIBL. 32 REF.Article

BIOAVAILABILITY TESTING AND CLINICAL SIGNIFICANCE = L'ESSAI DE LA BIODISPONIBILITE ET SA SIGNIFICATION CLINIQUERITSCHEL WA.1974; PHARM. ACTA HELV.; SUISSE; DA. 1974; VOL. 49; NO 2; PP. 77-83; BIBL. 32REF.Article

LIMITATIONS IN DOSAGE REGIMEN ADJUSTMENT = LIMITES DE L'AJUSTEMENT DE LA POSOLOGIERITSCHEL WA.1974; SCI. PHARM.; AUTR.; DA. 1974; VOL. 42; NO 4; PP. 228-233; BIBL. 15REF.Serial Issue

EFFECT OF GRANULATION METHOD ON DISSOLUTION OF SULFADIAZINE EXPERIMENTAL TABLETS.ERNI W; RITSCHEL WA.1977; PHARM. INDUSTR.; DTSCH.; DA. 1977; VOL. 39; NO 3; PP. 284-290; ABS. ALLEM.; BIBL. 43 REF.Article

A NEW METHOD FOR QUICK ESTIMATION OF THE ABSORPTION RATE CONSTANT FOR CLINICAL PURPOSES USING A HOMOGRAPHFRANKE EK; RITSCHEL WA.1976; DRUG INTELLIG. CLIN. PHARM.; U.S.A.; DA. 1976; VOL. 10; NO 2; PP. 77-82; BIBL. 21 REF.Article

EFFECT ON BINDING AGENTS ON DISSOLUTION OF SULFADIAZINE EXPERIMENTAL TABLETS AND BIOAVAILABILITY IN RABBITSRITSCHEL WA; SCHEFFLER MR.1975; PHARM. INDUSTR.; DTSCH.; DA. 1975; VOL. 37; NO 7; PP. 571-577; ABS. ALLEM.; BIBL. 25 REF.Article

PHARMACOKINETICS OF COUMARIN AND 7-HYDROXYCOUMARIN UPON I.V. AND P.O. ADMINISTRATION IN THE ENTHYROID AND HYPOTHYROID BEAGLE DOGRITSCHEL WA; GRUMMICH KW.1981; ARZNEIM.-FORSCH.; ISSN 0004-4172; DEU; DA. 1981; VOL. 31; NO 4; PP. 643-649; ABS. GER; BIBL. 16 REF.Article

PREDICTION OF BIOLOGICAL HALF-LIFE AND VOLUME OF DISTRIBUTION IN GERIATIC PATIENTS: LIMITATIONS OF A RECENTLY DEVELOPED PHARMACOKINETIC DOSING METHODRITSCHEL WA; ELDON MA.1979; SCI. PHARM.; AUT; DA. 1979; VOL. 47; NO 2; PP. 142-147; ABS. GER; BIBL. 6 REF.Article

THE INFLUENCE OF TEMPERATURE OF INGESTED FLUID ON STOMACH EMPTYING TIME.RITSCHEL WA; ERNI W.1977; INTERNATION. J. CLIN. PHARMACOL. BIOPHARM.; GERM.; DA. 1977; VOL. 15; NO 4; PP. 172-175; BIBL. 36 REF.Article

BIOAVAILABILITY OF SULFADIAZINE IN RABBITS USING TABLETS PREPARED BY DIRECT COMPRESSION AND FLUIDIZED-BED GRANULATION.RITSCHEL WA; ERNI W.1977; J. PHARM. SCI.; U.S.A.; DA. 1977; VOL. 66; NO 10; PP. 1438-1441; BIBL. 12 REF.Article

PHARMACOKINETICS OF SULFADIAZINE UPON DIFFERENT ROUTES OF ADMINISTRATION IN THE RABBIT.ERNI W; RITSCHEL WA.1976; PHARM. ACTA HELV.; SUISSE; DA. 1976; VOL. 51; NO 11; PP. 326-330; ABS. ALLEM.; BIBL. 15 REF.Article

PREDICTION OF THE VOLUME OF DISTRIBUTION FROM IN VITRO DATA AND USE FOR ESTIMATING THE ABSOLUTE EXTENT OF ABSORPTIONRITSCHEL WA; HAMMER GV.1980; INT. J. CLIN. PHARMACOL. THER. TOXICOL.; DEU; DA. 1980; VOL. 18; NO 7; PP. 298-316; BIBL. 7 P.Article

THE EXCRETION OF COUMARIN AND HYDROXYCOUMARINS BY THE AVIAN KIDNEY IN VIVOCACINI W; RITSCHEL WA.1980; ARCH. INTERNATION. PHARMACODYN. THERAP.; BEL; DA. 1980; VOL. 243; NO 2; PP. 197-208; BIBL. 21 REF.Article

IN VITRO TESTING OF INJECTABILITYRITSCHEL WA; SUZUKI K.1979; PHARM. INDUSTR.; DEU; DA. 1979; VOL. 41; NO 5; PP. 468-475; ABS. GER; BIBL. 6 REF.Article

PHARMACOKINETIC COMPARISON OF THE ONE-POINT METHOD WITH OTHER METHODS IN PREDICTING STEADY STATE DRUG CONCENTRATIONS IN MULTIPLE DOSING.RITSCHEL WA; ERNI W.1977; INTERNATION. J. CLIN. PHARMACOL. BIOPHARM.; GERM.; DA. 1977; VOL. 15; NO 6; PP. 279-287; BIBL. 13 REF.Article

PILOT STUDY ON BIOAVAILABILITY OF COUMARIN AND 7-HYDROXYCOUMARIN UPON PERORAL ADMINISTRATION OF COUMARIN IN A SUSTAINED-RELEASE DOSAGE FROMRITSCHEL WA; HOFFMANN KA.1981; J. CLIN. PHARMACOL.; ISSN 0091-2700; USA; DA. 1981; VOL. 21; NO 7; PP. 294-300; BIBL. 6 REF.Article

HIGH-PRESSURE LIQUID CHROMATOGRAPHIC DETERMINATION OF PROPYLTHIOURACIL IN HUMAN PLASMARINGHAND HP; RITSCHEL WA.1979; J. PHARM. SCI.; USA; DA. 1979; VOL. 68; NO 11; PP. 1461-1463; BIBL. 15 REF.Article

ANIMAL MODEL FOR PHARMACOKINETIC APPROACH TO INDIVIDUALIZED HEPARIN DOSAGE REGIMEN FOR I.V. INFUSION BY CONSTANT RATE TO ACHIEVE AND MAINTAIN A DESIRED CLOTTING TIMERITSCHEL WA; BRADY ME.1979; ARZNEIMITTEL-FORSCH.; DEU; DA. 1979; VOL. 29; NO 12; PP. 1891-1894; ABS. GER; BIBL. 1 P.Article

EFFECT OF TEMPERATURE OF PERORALLY ADMINISTERED PHENOL RED SOLUTION ON GASTRIC EMPTYING IN THE RAT.ERNI W; RITSCHEL WA.1977; ARZNEIMITTEL-FORSCH.; DTSCH.; DA. 1977; VOL. 27; NO 5; PP. 1043-1045; ABS. ALLEM.; BIBL. 8 REF.Article

PHARMACOKINETICS OF PAPAVERINE IN MAN.RITSCHEL WA; HAMMER GV.1977; INTERNATION. J. CLIN. PHARMACOL. BIOPHARM.; GERM.; DA. 1977; VOL. 15; NO 5; PP. 227-229; BIBL. 15 REF.Article