1. Lindblad AS, Novak JW, Stablein DM, Cutler SJ, Nolph KD: Report of the National CAPD Registry of the National Institutes of Health. Bethesda: National CAPD Registry of the National Institute of Diabetes and Digestive and Kidney Diseases, 1987, pp 10-01–10-16.
2. Twardowski ZJ, Nolph KD, Khanna R, Prowant BF, Ryan LP, Nichols WK: The need for a “Swan Neck” permanently bent, arcuate peritoneal dialysis catheter. Pent Dial Bull 5:219–223, 1985.
3. Tenckhoff H, Schechter H: A bacteriologically safe peritoneal access device. Trans Am Soc Artif Intern Organs 14:181–187, 1968.
4. Bossert WA, Marks HH: Prevalence and characteristics of periodontal disease of 12,800 persons under periodic dental observation. J Am Dent Assoc 52:429–442, 1956.
5. Hajek M: In: Heitger JD Hensel FK (eds) Pathology and Treatment of the Inflammatory Diseases of the Nasal Accessory Sinuses, fifth edition. St. Louis: C.V. Mosby, 1926, p 100.