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	1.	Physical properties of 24 karat gold restorative materials; a progress report. [electronic resource] by Welk, D A Producer: 19660606 In: The Journal of the American Academy of Gold Foil Operators vol. 9 Availability: No items available. Save to lists Add to cart (remove)
	2.	Rationale for designing cavity preparations in light of current knowledge and technology. [electronic resource] by Welk, D A Laswell, H R Producer: 19760525 In: Dental clinics of North America vol. 20 Availability: No items available. Save to lists Add to cart (remove)
	3.	Influence of mercury-to-alloy ratios on line angle adaptation of dental amalgam. [electronic resource] by Simon, J F Welk, D A Producer: 19701028 In: Journal of dental research vol. 49 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Influence of pins on the compressive and transverse strength of dental amalgam and retention of pins in amalgam. [electronic resource] by Welk, D A Dilts, W E Producer: 19690204 In: Journal of the American Dental Association (1939) vol. 78 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Effect on caries prevalence of daily toothbrushing at school by children living in a non-fluoridated area. [electronic resource] by Murphy, R F Welk, D A Producer: 19791227 In: North Carolina dental journal vol. 61 Availability: No items available. Save to lists Add to cart (remove)
	6.	Rationale for designing cavity preparations. [electronic resource] by Laswell, H R Welk, D A Producer: 19850723 In: Dental clinics of North America vol. 29 Availability: No items available. Save to lists Add to cart (remove)
	7.	Rationale for design of cavity preparations. [electronic resource] by Welk, D A Laswell, H R Producer: 19701008 In: The Journal of the American Academy of Gold Foil Operators vol. 13 Availability: No items available. Save to lists Add to cart (remove)
	8.	Retentive properties of pin materials in pin-retained silver amalgam restorations. [electronic resource] by Dilts, W E Welk, D A Stovall, J Producer: 19681205 In: Journal of the American Dental Association (1939) vol. 77 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Attachment of resin restorations to acid pretreated enamel. [electronic resource] by Laswell, H R Welk, D A Regenos, J W Producer: 19710312 In: Journal of the American Dental Association (1939) vol. 82 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Crazing of tooth structure associated with placement of pins for amalgam restorations. [electronic resource] by Dilts, W E Welk, D A Laswell, H R George, L Producer: 19700821 In: Journal of the American Dental Association (1939) vol. 81 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Quantitative evaluation of the adaptation of dental amalgam into line angles. [electronic resource] by Azar, E S Welk, D A Stibbs, G D Hodson, J T Producer: 19680906 In: Journal of dental research vol. 47 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Evaluation of water activated zinc phosphate dental cements. [electronic resource] by Laswell, H R Welk, D A Dilts, W E Thompson, J A Producer: 19710425 In: Journal - Tennessee State Dental Association vol. 51 Availability: No items available. Save to lists Add to cart (remove)