- V EUROPEAN CONGRESS OF DERMOPHARMACY
Madrid - Year 1982

- FROM XI TO XXVIII ANNUAL CONGRESS OF THE SPANISH ASSOCIATION FOR THE STUDY OF THE LIVER (A.E.E.H.)
Madrid - From year 1986 to 2002 / Barcelona - year 2003

- INTERNATIONAL CONFERENCES OF NEUROBIOLOGY
Madrid - Year 1988

- III INTERNATIONAL WORKSHOP GASTRODUODENAL PATHOLOGY AND CAMPYLOBACTER.
Toledo - Year 1990

- INTERNATIONAL SYMPOSIUM OF MOLECULAR BIOLOGY IN HEMATOLOGY
Madrid - Year 1991

- EXTRAORDINARY CONGRESS OF THE V CENTENARY OF THE MEETING BETWEEN SPAIN AND AMERICA (HEPATOLOGY)
Madrid - Year 1992

- 1st MONOGRAPHIC AIDS SYMPOSIUM IN OFTALMOLOGY
Madrid - Year 1992

- FROM I TO VI BIANNUAL IBEROAMERICAN COURSE OF HEPATOLOGY
Barcelona - From year 1992 to 2002

- INTERNATIONAL SEMINARY OF THE VIRAL INFECTION TREATMENT.
Segovia - Year 1993

- 4th WORLD CONGRESS OF THE INTERNATIONAL GASTRO-SURGICAL CLUB (I.G.S.C.)
Madrid - Year 1993

- I COURSE OF CLINICAL IMMUNOLOGY IN HEMATOLOGY
Segovia - Year 1993

- 2nd JOINT SPANISH-ISRAELI MEETING ON LIVER AND BILIARY DISEASES (A.E.E.H./I.A.S.L.)
Toledo - Year 1995

- VI NATIONAL MEETING OF DIGESTIVE ECOGRAPHY (A.E.E.D.)
Madrid - Year 1995

- XXII NATIONAL CONGRESS OF THE SPANISH SOCIETY OF DIGESTIVE PATHOLOGY (S.E.P.D.)
Madrid - Year 1995

- FROM I TO V INTERNATIONAL MEETING ON THERAPY IN LIVER DISEASES (I.M.T.L.D.)
Barcelona - From year 1995 to 2003

- FROM V TO XI CONGRESS OF THE CATALAN SOCIETY OF DIGESTOLOGY
Lleida - Year 1996 & 2003 / Andorra - Year 1997 / Tarragona - Years 1998, 2000 & 2002 / Palma de Mallorca - Year 1999 / Girona - Year 2001

- MULTIDISCIPLINE TREATMENT OF COLO-RECTAL CANCER
Madrid - Year 1996

- V DIVULGATIVE INTERACTIVE MEETING OF THE SPANISH CLUB FOR THE STUDY OF HELICOBACTER PYLORI
Madrid - Year 1996

- II MEETING OF HISPANO-LUSA FOR THE STUDY OF HELICOBACTER PYLORI
Madrid - Year 1996

- 3rd INTERNATIONAL METHODOLOGICAL COURSE ON HELICOBACTER PYLORI.
Guadalajara - Year 1996

- FROM I TO VI ANNUAL MEETING OF THE SPANISH ASSOCIATION OF GASTROENTEROLOGY (A.E.G.)
Madrid - From year 1997 to 1999 and from year 2001 to 2003

- VIII NATIONAL MEETING OF DIGESTIVE ECOGRAPHY (A.E.E.D.)
Guadalajara - Year 1997

- II INTERACTIVE COURSE OF DIGESTIVE SYSTEM
San Sebastián - Year 1997

- III SPANISH ANUAL CONFERENCE ON EPILEPSY
Madrid - Year 1998

- XXII NATIONAL CONGRESS OF THE SPANISH SOCIETY OF FERTILITY (S.E.F.)
Madrid - Year 1998

- 3rd WORLD CONGRESS OF THE INTERNATIONAL HEPATO-PANCREATO BILIARY ASSOCIATION (I.H.P.B.A.)
Madrid - Year 1998

- XXVI NATIONAL CONGRESS OF THE SPANISH SOCIETY OF DIGESTIVE PATHOLOGY (S.E.P.D.)
Madrid - Year 1999

- 7th CONGRESS OF THE EUROPEAN SOCIETY FOR BIOMEDICAL RESEARCH ON ALCOHOLISM (E.S.B.R.A.)
Barcelona - Year 1999

- XXI INTERNATIONAL CONGRESS OF THE EUROPEAN HERNIA SOCIETY (G.R.E.P.A.)
Madrid - Year 1999

- MEDICAL-SURGICAL ENCOUNTER ON COLONIC THERAPY.
Barcelona - Year 1999

- I INTERNATIONAL COURSE ON FRONTIERS IN HEPATOLOGY.
Pamplona - Year 1999

- XXIII NATIONAL CONGRESS OF THE SPANISH SOCIETY OF FERTILITY (S.E.F.)
Sevilla - Year 2000

- INTERNATIONAL MEETING ON IMMUNOLOGY AND THE LIVER: AUTOIMMUNITY.
Madrid - Year 2000

- I EDUCATIONAL NATIONAL MEETING FOR RESIDENT DOCTORS OF DIGESTIVE APPARATUS (A.E.G.)
Madrid - Year 2000

- XVII NATIONAL MEETING OF CARDIOLOGICAL INTENSIVE CARE
Madrid - Year 2000

- XXIII MEETING OF THE CASTELLANA ASSOCIATION OF DIGESTIVE SYSTEM (A.C.A.D.)
Madrid - Year 2000

- MRI IN HEPATOLOGY.
Barcelona - Year 2000

- CLINICAL MANAGEMENT OF HEPATOCELLULAR CARCINOMA (E.A.S.L.)
Barcelona - Year 2000

- XXVIII NATIONAL CONGRESS OF THE SPANISH SOCIETY OF DIGESTIVE PATHOLOGY (S.E.P.D.)
Madrid - Year 2001

- MEETING ON HEPATIC TRANSPLANT IN ADULT OF A LIVE DONOR
Barcelona - Year 2001

- IV HEPATOLOGY COURSE OF THE HOSPITAL GENERAL UNIVERSITARIO DE ALICANTE. XV CONGRESS OF THE VALENCIANA SOCIETY OF DIGESTIVE PATHOLOGY
Alicante - Year 2001

- II INTERNATIONAL COURSE ON FRONTIERS IN HEPATOLOGY.
Pamplona - Year 2001

- BIENNIAL MEETING OF THE INTERNATIONAL ASSOCIATION FOR THE STUDY OF THE LIVER & 37th ANNUAL MEETING OF THE EUROPEAN ASSOCIATION FOR THE STUDY OF THE LIVER (I.A.S.L./E.A.S.L.)
Madrid - Year 2002

- XXIV NATIONAL CONGRESS OF THE SPANISH SOCIETY OF FERTILITY (S.E.F.)
Palma de Mallorca - Year 2002