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Citation: Ds. Freitas et al., PROPAGATION OF GAUSSIAN BEAMS IN A NONLINEAR MEDIUM, Journal of physics. A, mathematical and general, 31(7), 1998, pp. 1761-1769

Authors: ROMAOZINHO JM SOUTO P RODRIGUES VL BARANDA J CABRAL P SARGENTO C FREITAS DS

Citation: Jm. Romaozinho et al., SEROPREVALENCE OF ANTIBODIES TO CAGA AND VACA IN YOUNG-ADULTS WITH DIFFERENT YEARS OF SCHOOLING, Gut, 41, 1997, pp. 42-43

Authors: FREITAS DS PRATA AT DELIMA AJ

Citation: Ds. Freitas et al., THERMAL PERFORMANCE OF UNDERGROUND POWER-CABLES WITH CONSTANT AND CYCLIC CURRENTS IN PRESENCE OF MOISTURE MIGRATION IN THE SURROUNDING SOIL, IEEE transactions on power delivery, 11(3), 1996, pp. 1159-1170

Authors: PONTES JM LEITAO MC PORTELA FA ROSA AM MINISTRO P FREITAS DS

Citation: Jm. Pontes et al., ENDOSCOPIC ULTRASONOGRAPHY IN THE TREATMENT OF ESOPHAGEAL-VARICES BY ENDOSCOPIC SCLEROTHERAPY AND BAND LIGATION - DO WE NEED IT, European journal of gastroenterology & hepatology, 7(1), 1995, pp. 41-46

Authors: PONTES JM LEITAO MC CABRAL JEP PORTELA F BOTELHO J MARTINS I FREITAS DS

Citation: Jm. Pontes et al., RECURRENCE OF A RENAL MYOGENIC TUMOR PRESENTED AS A DUODENAL ULCERATED LESION, Hepato-gastroenterology, 42(4), 1995, pp. 356-359