Application of MOS (Mirror Orientation Selection) to improve the quality of subtracted and normalized libraries obtained from rat ST1 glioma cells upon treatment with the anti-tumor agent all-trans retinoic acid - Rodrigues, L. O.; Bengtson, Mário Henrique; Sogayar, Mari Cleide (Reunião Anual da Sociedade Brasileira de Bioquímica e Biologia Molecular, 2002)