Perez-Gutthann S, de Abajo F, Garcia Rodriguez LA, Varas-Lorenzo C, Gutierrez L, Castellsague J. Pharmacoepidemiology: Epidemiology applied to pharmaceutical development, safety and risk. In: Hernández G, Moreno A, Zaragoza F, Porras A, editors. MEDIPHARM: Tratado de Medicina Farmacéutica. Madrid: Spain. Médica Panamericana; 2010.
Varas-Lorenzo C, Castellsague J, Stang MR, Tomas L, Aguado J, Perez-Gutthann S. Positive predictive value of ICD-9 codes 410 and 411 in the identification of cases of acute coronary syndromes in the Saskatchewan Hospital automated database. Pharmacoepidemiol Drug Saf. 2008 Aug 1;17(8):842-52.
Castellsague J, García-Rodríguez LA, Duque A, Perez-Gutthann S. Risk of severe cutaneous disorders in users of oral antifungals. BMC Dermatology. 2002 Nov 28;2(14). doi: 10.1186/1471-5945-2-14
Castellsague J, Garcia-Rodriuez LA, Duque A, Perez S. Risk of serious skin disorders among users of oral antifungals: a population-based study. BMC Dermatology. 2002;2:14.
Perez GS, Garcia Rodriguez LA. The increased risk of hospitalizations for acute liver injury in a population with exposure to multiple drugs. Epidemiology. 1993 Nov 1;4(6):496-501.
Derby LE, Gutthann SP, Jick H, Dean AD. Liver disorders in patients receiving chlorpromazine or isoniazid. Pharmacotherapy. 1993 Jul 1;13(4):353-8.