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Authors: Mahdi, SEI Ahmed, AOA Boelens, H Ott, A Abugroun, ES van Belkum, A Zijlstra, E Verbrugh, H Fahal, A

Citation: Sei. Mahdi et al., An epidemiological study on the occurrence of Staphylococcus aureus in superficial abscesses of patients presenting for surgery in a teaching hospital in Khartoum, Sudan, FEMS IM MED, 29(2), 2000, pp. 155-162

Authors: Boelens, H Van den Broek, M

Citation: H. Boelens et M. Van Den Broek, Influencing children's symmetric responding in matching-to-sample tasks, PSYCHOL REC, 50(4), 2000, pp. 655-669

Authors: Boelens, H Van den Broek, M Van Klarenbosch, T

Citation: H. Boelens et al., Symmetric matching to sample in 2-year-old children, PSYCHOL REC, 50(2), 2000, pp. 293-304