2004, Number 2

Contents

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Transcription, a key process of cellular biology. Ethylnitrosourea effects in RNA polymerase II

Francisco Javier Sánchez Anzaldo

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Ethylnitrosourea causes the 7.6-kDa subunit of RNA polymerase II sub expression in mouse fetal oocytes and diminishes general transcription levels

Bonilla, Edmundo; Jesús del Mazo

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Immunoturbidimetric assay for quantification of human serum IgA, IgG, and IgM

Vivian Alonso Ramos; Antonio Melchor Rodríguez; Raquel López Cisneros; Ivonne Gómez Cordero; Orlando Zulueta Rodríguez; Liliana Hernández Pérez; Milagros Álvarez García; Morales Rodríguez, Enny; Grisell Turró Grau

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Phagocytosis: mechanisms and consequences. Part three

Oscar Rojas-Espinosa; Patricia Arce-Paredes

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Letter to the editor

Grisel del Toro García