| Table of contents Acta Med Colomb vol.30 no.1 Bogotá Jan./Mar. 2005 Editorial | | | | · About ducks, geese and swans. Stories reviews, systematic reviews and meta-analysis of the literature Lozano, Juan Manuel
| | | Note of the editor | | | | | | | Original works | | | | · Non-neoplasic osteomalacia in Colombia Cañas, Carlos Alberto; Iglesias, Antonio
| | | | · Association between hyperphosphatemia and mortality in patients with terminal chronic renal insuficiency in renal function replacement therapy with peritoneal dyalisis or hemodialysis: A study of the Renal Unit in Villavicencio, 1999-2003 Nieto, Iván; Mahecha, Patricia
| | | | · Análisis of health research in Santander: Role of the Instituto Colombiano de Investigaciones Biomédicas López-Jaramillo, Patricio; Rincón, Andrés; Mateus, Catalina
| | | Actualizations | | | | · Fcy receptors and autoimmunity Gómez, Luis Miguel; Cañas; Anaya, Juan-Manuel
| | | Cases presentation | | | | · Schambelan's syndrome: A cause of hiperkalemia López, Nilson; Marín, Gustavo
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