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	1.	Pharmacokinetics in the oral cavity: fluoride and other active ingredients. [electronic resource] by Duckworth, Ralph M Producer: 20131217 In: Monographs in oral science vol. 23 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Evidence for putting the calculus: caries inverse relationship to work. [electronic resource] by Duckworth, Ralph M Huntington, Eric Producer: 20051013 In: Community dentistry and oral epidemiology vol. 33 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	On the relationship between the rate of salivary flow and salivary fluoride clearance. [electronic resource] by Duckworth, Ralph M Jones, S Producer: 20160419 In: Caries research vol. 49 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Anti-calculus and whitening toothpastes. [electronic resource] by van Loveren, Cor Duckworth, Ralph M Producer: 20131217 In: Monographs in oral science vol. 23 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Chapter 5: Microelements: Part II: F, Al, Mo and Co. [electronic resource] by Zohoori, F Vida Duckworth, Ralph M Producer: 20200117 In: Monographs in oral science vol. 28 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Chapter 4: Microelements: Part I: Zn, Sn, Cu, Fe and I. [electronic resource] by Lynch, Richard J M Duckworth, Ralph M Producer: 20200117 In: Monographs in oral science vol. 28 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Biomarkers for the Assessment of Fluoride Exposure in Children. [electronic resource] by Idowu, Oladipo S Duckworth, Ralph M Valentine, Ruth A Zohoori, Fatemeh Vida Producer: 20201109 In: Caries research vol. 54 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Fluoridated toothpaste: usage and ingestion of fluoride by 4- to 6-yr-old children in England. [electronic resource] by Zohoori, Fatemeh V Duckworth, Ralph M Omid, Narges O'Hare, William T Maguire, Anne Producer: 20130402 In: European journal of oral sciences vol. 120 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Fluoride ingestion from toothpaste: fluoride recovered from the toothbrush, the expectorate and the after-brush rinses. [electronic resource] by van Loveren, Cor Ketley, Clare E Cochran, Judith A Duckworth, Ralph M O'Mullane, Denis M Producer: 20040427 In: Community dentistry and oral epidemiology vol. 32 Suppl 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Development of a standardized method for comparing fluoride ingested from toothpaste by 1.5-3.5-year-old children in seven European countries. Part 2: Ingestion results. [electronic resource] by Cochran, Judith A Ketley, Clare E Duckworth, Ralph M van Loveren, Cor Holbrook, W Peter Seppä, Liisa Sanches, Leonor Polychronopoulou, Argy O'Mullane, Denis M Producer: 20040427 In: Community dentistry and oral epidemiology vol. 32 Suppl 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Development of a standardized method for comparing fluoride ingested from toothpaste by 1.5-3.5-year-old children in seven European countries. Part 1: Field work. [electronic resource] by Cochran, Judith A Ketley, Clare E Duckworth, Ralph M Van Loveren, Cor Holbrook, W Peter Seppä, Liisa Sanches, Leonor Polychronopoulou, Argy O'Mullane, Denis M Producer: 20040427 In: Community dentistry and oral epidemiology vol. 32 Suppl 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)