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de Bruin NC, van Velthoven KA, de Ridder M, Stijnen T, Juttmann RE, Degenhart HJ, Visser HK.de Bruin NC, et al. Among authors: degenhart hj.Arch Dis Child. 1996 May;74(5):386-99. doi: 10.1136/adc.74.5.386.Arch Dis Child. 1996.PMID: 8669953Free PMC article.