Samsell B, Lothman K, Samsell EE, Ideishi RI. Parents' experiences of caring for a child with autism spectrum disorder in the United States: a systematic review and metasynthesis of qualitative evidence. Fam Syst Health. 2022 Mar;40(1):93-104. doi: 10.1037/fsh0000654
Urrutia I, Aguirre U, Sunyer J, Plana E, Muniozguren N, Martinez-Moratalla J. Changes in the prevalence of asthma in the Spanish cohort of the European Community Respiratory Health Survey (ECRHS-II). Arch. Bronconeumol. 2007 Aug;43(8):425-30.