INDUCTION OF AVIRULENT VARIANTS IN ERWINIA STEWARTII BY INCUBATION AT SUPRAOPTIMAL TEMPERATURESGARIBALDI A; GIBBINS LN.1975; CANAD. J. MICROBIOL.; CANADA; DA. 1975; VOL. 21; NO 8; PP. 1282-1287; ABS. FR.; BIBL. 11 REF.Article

ENCEPHALOPATHY IN MICE FOLLOWING INAPPARENT SEMLIKI FOREST VIRUS (S. F. V.) INFECTION = ENCEPHALOPATHIE CHEZ LES SOURIS APRES INFECTION INAPPARENTE PAR LE VIRUS DE LA FORET DE SEMLIKI (VFS)ZLOTNIK I; GRANT DP; BATTER HATTON D et al.1972; BRIT. J. EXPER. PATHOL.; G.B.; DA. 1972; VOL. 53; NO 2; PP. 125-129; H.T. 3; BIBL. 1 P.Serial Issue

FUSION AND HAEMOLYSIS OF CHICK ERYTHROCYTES BY NEWCASTLE DISEASE VIRUSTERRY GM; HO TERRY L.1976; ARCH. VIROL.; AUSTR.; DA. 1976; VOL. 50; NO 1-2; PP. 37-44; BIBL. 11 REF.Article

THE PATHOGENESIS OF VIRULENT AND AVIRULENT AVIAN INFECTIOUS BRONCHITIS VIRUSGEILHAUSEN HE; LIGON FB; LUKERT PD et al.1973; ARCH. GES. VIRUSFORSCH.; OESTERR.; DA. 1973; VOL. 40; NO 3-4; PP. 285-290; BIBL. 12REF.Serial Issue

NONCYTOPATHOGENICITY OF RUBELLA VACCINE STRAIN H.P.V. 77 FOR SYNOVIAL CELLS = ABSENCE DE CYTOPATHOGENICITE DE LA SOUCHE HPV 77 DE VACCIN CONTRE LA RUBEOLE POUR LES CELLULES SYNOVIALES1972; ARTHRIT. AND RHEUMATISM; U.S.A.; DA. 1972; VOL. 15; NO 3; PP. 313-315; BIBL. 6REF.Serial Issue

SOME OBSERVATIONS ON THE BEHAVIOUR OF AFRICAN HORSESICKNESS VIRUS (JAIPUR STRAIN) IN DONKEYSMATHUR BBL; SHARMA RN; KULSHRETHA SB et al.1971; INDIAN J. ANIMAL SCI.; INDIA; DA. 1971; VOL. 41; NO 12; PP. 1135-1137; BIBL. 4 REF.Serial Issue

HIGH-VIRULENCE MAREK'S DISEASE VIRUS INFECTION IN CHICKENS PREVIOUSLY INFECTED WITH LOW-VIRULENCE VIRUS = INFECTION PAR LE VIRUS DE LA MALADIE DE MAREK DE VIRULENCE ELEVEE CHEZ LES POULETS PRECEDEMMENT INFECTES PAR LE VIRUS DE VIRULENCE FAIBLESMITH MW; CALNEK BW.1974; J. NATION. CANCER INST.; U.S.A.; DA. 1974; VOL. 52; NO 5; PP. 1595-1603; BIBL. 32 REF.Article

PROPAGATION OF EQUINE INFECTIOUS ANEMIA VIRUS IN HORSE KIDNEY CELL CULTURESKONO Y; YOSHINO T.1974; NATION. INST. ANIMAL HEALTH QUART.; JAP.; DA. 1974; VOL. 14; NO 4; PP. 155-162; BIBL. 13 REF.Article

INFECTION, INTERACTION AND THE EXPRESSION OF VIRULENCE BY DEFINED STRAINS OF SEMLIKI FOREST VIRUSBRADISH CJ; ALLNER K; MABER HB et al.1972; J. GEN. VIROL.; G.B.; DA. 1972; VOL. 16; NO 3; PP. 359-372; BIBL. 1/2P.Serial Issue

IN VITRO PHAGOCYTOSIS OF A VIRULENT T. PALLIDUM BY RABBIT MACROPHAGES = PHAGOCYTOSE IN VITRO DU T. PALLIDUM AVIRULENT PAR LES MACROPHAGES DU LAPINMUSHER DM; IZZAT NN; KYUNG WHAN MIN et al.1972; ACTA DERMATO-VENEREOL.; SUEDE; DA. 1972; VOL. 52; NO 5; PP. 349-352; BIBL. 11 REF.Serial Issue

ANTIGENIC ANALYSIS OF VIRULENT AND AVIRULENT STRAINS OF TRICHOMONAS GALLINAE BY GEL DIFFUSION METHODSSTEPKOWSKI S; HONIGBERG BM.1972; J. PROTOZOOL.; U.S.A.; DA. 1972; VOL. 19; NO 2; PP. 306-315; BIBL. 24REF.Serial Issue

EFFECT OF CYCLOPHOSPHAMIDE ON INFECTIONS IN MICE CAUSED BY VIRULENT AND AVIRULENT STRAINS OF INFLUENZA VIRUS. = L'EFFET DU CYCLOPHOSPHAMIDE SUR LES INFECTIONS DE LA SOURIS CAUSEES PAR DES SOUCHES VIRULEUSES OU AVIRULEUSES DE VIRUS GRIPPALHURD J; HEATH RB.1975; INFECT. AND IMMUN.; U.S.A.; DA. 1975; VOL. 11; NO 5; PP. 886-889; BIBL. 9 REF.Article

IMMUNOLOGIC RESPONSES OF TURKEYS TO AN AVIRULENT PASTEURELLA MULTOCIDA VACCINE IN THE DRINKING WATER. II. DURATION OF IMMUNITYBIERER BW; DERIEUX WT.1972; POULTRY SCI.; U.S.A.; DA. 1972; VOL. 51; NO 4; PP. 1402-1408; BIBL. 9 REF.Serial Issue

TEMPERATURE TOLERANCE OF PATHOGENIC AND NONPATHOGENIC FREE-LIVING AMOEBAS = TOLERANCE A LA TEMPERATURE D'AMIBES PATHOGENES OU NON VIVANT A L'ETAT LIBREGRIFFIN JL.1972; SCIENCE; U.S.A.; DA. 1972; VOL. 178; NO 4063; PP. 869-870; BIBL. 22 REF.Serial Issue

DIFFERENTIATION OF VIRULENT AND AVIRULENT CULTURES OF ERWINIA CHRYSANTHEMI (MAIZE PATHOTYPE)THIND BS; PAYAK MM.1979; Z. PFLANZENKRANKH. PFLANZENSCHUTZ; DEU; DA. 1979; VOL. 86; NO 6; PP. 330-335; ABS. GER; BIBL. 10 REF.Article

UEBER DIE COLIBEDINGTE SAEUGLINGSENTERITIS. V. UNTERSUCHUNGEN AM ISOLIERTEN KANICHENDARM MIT VOLL-UND TEILANTIGENEN VON NORMALEN UND ENTEROPATHOGENEN COLIKEIMEN = L'ENTERITE DU NOURRISSON A E.COLI V. RECHERCHES SUR L'INTESTIN ISOLE DU LAPIN AVEC DES ANTIGENES TOTAUX OU PARTIELS D'E. COLI NORMAUX OU ENTEROPATHOGENESMETZ H.1972; ZBL. BAKTERIOL. PARASITENKDE INFEKT.-KRANKH. HYG., 1, A; DTSCH.; DA. 1972; VOL. 222; NO 3; PP. 290-313; ABS. ANGL.; BIBL. 3P.Serial Issue

MOLECULAR BASES OF RABIES VIRUS VIRULENCE. I: SELECTION OF AVIRULENT MUTANTS OF THE CVS STRAIN WITH ANTI-G MONOCLONAL ANTIBODIESCOULON P; ROLLIN P; AUBERT M et al.1982; J. GEN. VIROL.; ISSN 0022-1317; GBR; DA. 1982; VOL. 61; NO 1; PP. 97-100; BIBL. 6 REF.Article

FURTHER STUDIES OF MACROPHAGES IN RELATIONSHIP TO AVIRULENT SEMLIKI FOREST VIRUS INFECTIONSOATEN SW; JAGELMAN S; WEBB HE et al.1980; BRIT. J. EXPER. PATHOL.; GBR; DA. 1980; VOL. 61; NO 2; PP. 150-155; BIBL. 9 REF.Article

IN VITRO STUDIES ON RICKETTSIA-HOST CELL INTERACTIONS: INTRACELLULAR GROWTH CYCLE OF VIRULENT AND ATTENUATED RICKETTSIA PROWAZEKI IN CHICKEN EMBRYO CELLS IN SLIDE CHAMBER CULTURESWISSEMAN CL JR; WADDELL AD.1975; INFECT. AND IMMUN.; U.S.A.; DA. 1975; VOL. 11; NO 6; PP. 1391-1401; BIBL. 1 P. 1/2Article

ETUDE DES PROPRIETES IMMUNOGENES DES SALMONELLES RESISTANTES AUX ANTIBIOTIQUESMINEV M.1975; VETER.-MED. NAUKI; BALG.; DA. 1975; VOL. 12; NO 9; PP. 66-73; ABS. RUSSE ANGL.; BIBL. 17 REF.Article

IMMUNOGENICITY OF LIVING ATTENUATED SHIGELLAESERENY B; TENNER C; RACZ P et al.1971; ACTA MICROBIOL. ACAD. SCI. HUNGAR.; HONGR.; DA. 1971; VOL. 18; NO 4; PP. 239-245; ABS. RUSSE; BIBL. 40REF.Serial Issue

IMMUNOSUPPRESSION BY AVIRULENT, PSEUDOHYPHAL FORMS OF CRYPTOCOCCUS NEOFORMANSBLACKSTOCK R; HALL NK.1982; MYCOPATHOLOGIA (1975); ISSN 0301-486X; NLD; DA. 1982; VOL. 80; NO 2; PP. 95-99; BIBL. 14 REF.Article

ATTEMPTS TO IMMUNIZE MONKEYS AGAINST EXPERIMENTAL INFECTION WITH HERPESVIRUS SURS.BASKERVILLE A; LLOYD G.1977; J. COMP. PATHOL.; G.B.; DA. 1977; VOL. 87; NO 4; PP. 591-596; BIBL. 9 REF.Article

LES SYSTEMES CELLULAIRES DU PORC COMME PRODUCTEURS D'INTERFERONS. RECHERCHES COMPARATIVES FAITES SUR LA CORRELATION ENTRE LA VIRULENCE DES DIFFERENTES VARIETES (SOUCHES) DU VIRUS DE NEWCASTLE ET LEUR PUISSANCE COMME INDUCTEURS D'INTERFERONS.TONEVA V.1976; OFF. INTERNATION. EPIZOOTIES, BULL.; FR.; DA. 1976; VOL. 86; PP. 695-700Article

PROTECTION OF A/HE MICE BY A FRIEND VIRUS PSEUDOTYPE AGAINST CHALLENGE WITH FRIEND VIRUS. = PROTECTION DE SOURIS A/HE PAR UN PSEUDOTYPE DU VIRUS DE FRIEND CONTRE L'INOCULATION D'EPREUVE DE VIRUS DE FRIENDDAWSON PJ; FIELDSTEEL AH.1975; PROC. SOC. EXPER. BIOL. MED.; U.S.A.; DA. 1975; VOL. 149; NO 1; PP. 61-63; BIBL. 7 REF.Article