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	1.	Knowledge of access to and use of the emergency medical services system in a rural Illinois county. [electronic resource] by Knolle, L L McDermott, R J Ritzel, D O Producer: 19890815 In: American journal of preventive medicine vol. 5 Availability: No items available. Save to lists Add to cart (remove)
	2.	Cross cultural child injury prevention awareness. [electronic resource] by Ritzel, D O Klein, K Gast, J Sarvela, P D Producer: 19971202 In: Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention vol. 2 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Applications software packages in the school health program. [electronic resource] by Sarvela, P D Ritzel, D O Karaffa, M J Naseri, M K Producer: 19900322 In: Health education vol. 20 Availability: No items available. Save to lists Add to cart (remove)
	4.	Gender representation in illustrations, text, and topic areas in sexuality education curricula. [electronic resource] by Beyer, C E Ogletree, R J Ritzel, D O Drolet, J C Gilbert, S L Brown, D Producer: 19970307 In: The Journal of school health vol. 66 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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