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Canha, N. (author), Almeida, M. (author), Do Carmo Freitas, M. (author), Almeida, S.M. (author), Wolterbeek, H.T. (author)In this work, 14 primary schools of Lisbon city, Portugal, followed a questionnaire of the ISAAC - International Study of Asthma and Allergies in Childhood Program, in 2009/2010. The questionnaire contained questions to identify children with respiratory diseases (wheeze, asthma and rhinitis). Total particulate matter (TPM) was passively...journal article 2011