• A Bota, FJ Gella, F Canalias. Purification of human adenosine deaminase for the preparation of a reference material. J Chromatogr B 2000;737:237-44

• A Bota, FJ Gella, F Canalias. Optimization of adenosine deaminase assay by response surface methodology. Clin Chim Acta 2000;290:145-57

• D Balsells, FJ Gella, F Canalias. Valores de referencia de la concentración catalítica de a-amilasa en suero y orina utilizando el procedimiento de medida recomendado por la SEQC. Quím Clín 2000;19:17-21

• FJ Gella, F Canalias, C Dirscherl. The certification of the catalytic concentration of human creatine kinase-2 (CK-MB) in a reconstituted lyophilised material CRM 608. EUR-Reports of the CEC. EUR-19681-EN 2000

• A Bota, FJ Gella, C Profilis, G Férard, AG Hadjivassiliou, M Hørder, F Schiele, R Segura, F Canalias. Production and certification of an enzyme reference material for adenosine deaminase 1 (BCR 647). Clin Chim Acta 2001;306:79-89

• M Sánchez, FJ Gella, C Profilis, F Ceriotti, E Cusó,  X Fuentes-Arderiu, K Hallermayer, M Hørder, M Panteghini, G Schumann, F Canalias. Certification of the mass concentration of creatine kinase isoenzyme 2 (CK-MB) in the reference material BCR 608. Clin Chem Lab Med 2001;39:858-65

• F Canalias, M Sánchez, FJ Gella, C Profilis. The certification of the mass concentration of human creatine kinase-2 (CK-MB) in a reconstituted lyophilised material CRM 608. EUR-Reports of the CEC. EUR-19995-EN 2002

• F Canalias, A Bota, FJ Gella, C Profilis. The certification of the catalytic concentration of human adenosine deaminase (ADA 1) in a reconstituted lyophilised material CRM 647. EUR-Reports of the CEC. EUR-19996-EN 2002