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Martorell C, Calpena AC, Escribano E, Poblet JM, Freixas J.Martorell C, et al. Among authors: calpena ac.J Chromatogr A. 1993 Dec 3;655(2):177-84. doi: 10.1016/0021-9673(93)83221-D.J Chromatogr A. 1993.PMID: 8111471
Rodrigues M , Calpena AC , Amabilino DB , Garduño-Ramírez ML , Pérez-García L .Rodrigues M , et al. Among authors: calpena ac.J Mater Chem B. 2014 Sep 7;2(33):5419-5429. doi: 10.1039/c4tb00450g. Epub 2014 Jul 16.J Mater Chem B. 2014.PMID: 32261762