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Madrid JA, Salido GM, Muñoz-Arrebola P, Martínez de Victoria E.Madrid JA, et al.Chronobiol Int. 1989;6(4):321-8. doi: 10.3109/07420528909056938.Chronobiol Int. 1989.PMID: 2627718
Salido GM, Madrid JA, Martin EA, Esteller A, Lopez MA.Salido GM, et al. Among authors: madrid ja.Chronobiol Int. 1984;1(3):173-6. doi: 10.3109/07420528409063893.Chronobiol Int. 1984.PMID: 6086021
Sánchez-Vázquez FJ, Azzaydi M, Martínez FJ, Zamora S, Madrid JA.Sánchez-Vázquez FJ, et al. Among authors: madrid ja.Chronobiol Int. 1998 Nov;15(6):607-22. doi: 10.3109/07420529808993197.Chronobiol Int. 1998.PMID: 9844749
Vera LM, López-Olmeda JF, Bayarri MJ, Madrid JA, Sánchez-Vázquez FJ.Vera LM, et al. Among authors: madrid ja.Chronobiol Int. 2005;22(1):67-78. doi: 10.1081/cbi-200038157.Chronobiol Int. 2005.PMID: 15865322
López-Olmeda JF, Madrid JA, Sánchez-Vázquez FJ.López-Olmeda JF, et al. Among authors: madrid ja.Chronobiol Int. 2006;23(3):537-50. doi: 10.1080/07420520600651065.Chronobiol Int. 2006.PMID: 16753940