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	1.	Treatment of intraosseous defects with bioabsorbable barriers alone or in combination with decalcified freeze-dried bone allograft: a randomized clinical trial. [electronic resource] by Trejo, P M Weltman, R Caffesse, R Producer: 20010315 In: Journal of periodontology vol. 71 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Effects of expanded polytetrafluoroethylene and polylactic acid barriers on healthy sites. [electronic resource] by Trejo, P M Weltman, R Caffesse, R G Producer: 19980327 In: Journal of periodontology vol. 69 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Guided tissue regeneration. A status report for the American Journal of Dentistry. [electronic resource] by Trejo, P M Weltman, R Caffesse, R G Producer: 19960903 In: American journal of dentistry vol. 8 Availability: No items available. Save to lists Add to cart (remove)
	4.	Assessment of guided tissue regeneration procedures in intrabony defects with bioabsorbable and non-resorbable barriers. [electronic resource] by Weltman, R Trejo, P M Morrison, E Caffesse, R Producer: 19970717 In: Journal of periodontology vol. 68 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Treatment of a patient with hereditary gingival fibromatosis: a case report. [electronic resource] by Brown, R S Trejo, P M Weltman, R Pinero, G Producer: 19970205 In: Special care in dentistry : official publication of the American Association of Hospital Dentists, the Academy of Dentistry for the Handicapped, and the American Society for Geriatric Dentistry vol. 15 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	The diagnosis and treatment of discoid lupus erythematosus with oral manifestations only: a case report. [electronic resource] by Brown, R S Flaitz, C M Hays, G L Trejo, P M Producer: 19950119 In: Compendium (Newtown, Pa.) vol. 15 Availability: No items available. Save to lists Add to cart (remove)
	7.	Comparison of bioabsorbable and bioinert membranes for guided bone regeneration around non-submerged implants. An experimental study in the mongrel dog. [electronic resource] by Kohal, R J Trejo, P M Wirsching, C Hürzeler, M B Caffesse, R G Producer: 19991020 In: Clinical oral implants research vol. 10 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	The effects of guided bone regeneration and grafting on implants placed into immediate extraction sockets. An experimental study in dogs. [electronic resource] by Kohal, R J Mellas, P Hürzeler, M B Trejo, P M Morrison, E Caffesse, R G Producer: 19981124 In: Journal of periodontology vol. 69 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)