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	1.	History and examination findings related to visual acuity among adults. [electronic resource] by Roberts, J Cohrssen, J Producer: 19680702 In: Vital and health statistics. Series 11, Data from the National Health Survey no. 28 Availability: No items available. Save to lists Add to cart (remove)
	2.	Hearing levels of adults. By education, income, and occupation. United States-1960-1962. [electronic resource] by Roberts, J Cohrssen, J Producer: 19690306 In: Vital and health statistics. Series 11, Data from the National Health Survey no. 31 Availability: No items available. Save to lists Add to cart (remove)
	3.	ENURESIS--AN ETIOLOGIC AND THERAPEUTIC STUDY. [electronic resource] by WERRY, J S COHRSSEN, J Producer: 19961201 In: The Journal of pediatrics vol. 67 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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