Bairoch, A.: The Enzyme database in 2000, Nucleic Acids Res 28:304-305(2000).

Baumüller, M.: "The application of hydrolytic enzymes in blunt wounds to the soft tissue and distortion of the ankle joint: a double-blind clinical trial.". Allgemeinmedizin. 1990; 19:178-182.

Baumüller, M.: "The application of hydrolytic enzymes in blunt wounds to the soft tissue and distortion of the ankle joint: a double-blind clinical trial"]. Allgemeinmedizin. 1990; 19:178-182.

Billigmann, V.P.: "Enzyme therapy�an alternative in treatment of herpes zoster. A controlled study of 192 patients". Fortschr. Med. 1995; 113:43-48.

Blaurock-Busch, E.: Orthomolekulartherapie in der Praxis: Mit Nährstoffen heilen, Seite 26ff

Blonstein, J.L.: "Control of swelling in boxing injuries". Practitioner. 1969; 203:206. 26.

Cameron, I.W.: "An investigation into some of the factors concerned in the surgical removal of the impacted lower wisdom tooth, including a double blind trial of chymoral". Br. J. Oral Surg. 1980; 18:112-124.

Deitrick, R.E.: "Oral proteolytic enzymes in the treatment of athletic injuries: a double-blind study". Pa Med. 1965;68:35-37.

Douwes, F.R.: Enzyme bei der Krebsbehandlung/Bedeutung und Therapiemöglichkeiten, 2002

Douwes, F.R.: Vobeugen und Heilen mit der Kraft der Enzyme, 2002

Gylling, U., Rintala, A., Taipale, S., et al.: "The effect of a proteolytic enzyme combinate (bromelain) on the postoperative oedema by oral application. A clinical and experimental study". Acta Chir., Scand. 1966;131:193-196.

Howat, R.C., Lewis, G.D.: "The effect of bromelain therapy on episiotomy wounds�a double blind controlled clinical trial". J. Obstet. Gynaecol. Br. Commow. 1972; 79:951-953.

Kleine, M.W., Stauder, G.M., Beese, E.W.: "The intestinal absorption of orally administered hydrolytic enzymes and their effects in the treatment of acute herpes zoster as compared with those of oral acyclovir therapy". Phytomedicine. 1995;2:7-15.

Kleine, M.W., Pabst, H.: "The effect of an oral enzyme therapy on experimentally produced hematomas". Forum des Prakt und Allgemeinarztes. 1988;27:42, 45-46, 48.

Kleine, M.W., Stauder, G.M., Beese, E.W.: "The intestinal absorption of orally administered hydrolytic enzymes and their effects in the treatment of acute herpes zoster as compared with those of oral acyclovir therapy". Phytomedicine. 1995; 2:7-15.

Kleveland, P.M., Johannessen, T., Kristensen, P., et al.: "Effect of pancreatic enzymes in non-ulcer dyspepsia. A pilot study". Scand J Gastroenterol. 1990; 25:298-301.

Le Marchand, L., Murphy, S.P., Hankin, J.H., Wilkens, L.R., Kolonel, L.N.: Intake of flavonoids and lung cancer. Etiology Program, Cancer Research Center of Hawaii, University of Hawaii, Honolulu 96813, USA.

Murray, M.: "Encyclopedia of Nutritional Supplements". Prima Publishing, 1996

Nieper, N.A.: "Effect of bromelain on coronary heart disease and angina pectoris". Acta Med. Empirica 5:274-75, 1978

Rahn, H.D.: "Efficacy of hydorlytic enzymes in surgery". Paper presented at: 24th FIMS World Congress of Sports Medicine; May 27-June 1, 1990; Amsterdam.

Rathgeber, W.F.: "The use of proteolytic enzymes (Chymoral) in sporting injuries". S. Afr. Med. J. 1971;45:181-183.

Russell, R.M., Dutta, S.K., Oaks, E.V., et al.: "Impairment of folic acid absorption by oral pancreatic extracts". Dig. Dis. Sci. 1980; 25:369-373.

Schulz, V., Hansel, R., Tyler, V.E.: "Rational Phytotherapy: A Physicians' Guide to Herbal Medicine". 3rd ed. Berlin, Germany: Springer-Verlag; 1998:263.

Seltzer, A.P.: "Minimizing post-operative edema and ecchymoses by the use of an oral enzyme preparation (bromelain): a controlled study of 53 rhinoplasty cases". Eye Ear Nose Throat Mon. 1962; 41:813-817.

Shaw, P.C.: "The use of a trypsin-chymotrypsin formulation in fractures of the hand." Br. J. Clin. Pract. 1969; 23:25-26.

Shaw, P.C.: "The use of a trypsin-chymotrypsin formulation in fractures of the hand". Br. J. Clin. Pract. 1969; 23:25-26.

Shaw, D., Leon, C., Kolev, S., et al.: "Traditional remedies and food supplements. A 5-year toxicological study (1991-1995)". Drug Saf. 1997; 17:342-356.

Soule, S.D., Wasserman, H.C., Burstein, R.: "Oral proteolytic enzyme therapy (Chymoral) in episiotomy patients". Am. J. Obstet. Gynecol. 1966; 95:820-823.

Spaeth, G.L.: "The effect of bromelains on the inflammatory response caused by cataract extraction: a double-blind study". Eye Ear Nose Throat Mon. 1968; 47:634-639.

Tassman, G.C., Zafran, J.N., Zayon, G.M.: "Evaluation of a plant proteolytic enzyme for the control of imflammation and pain". J. Dent. Med. 1964; 19:73-77.

Taussig, S.J., Heper, H.A.: Bromelain: Its use in prevention and treatment of cardiovascular disease: Present status. J. Int. Acad. prev. Med. Vol. 6, No. 1, 1979

Vinzenz, K.: "Treatment of edema with hydrolytic enzymes in oral surgical procedures". Quintessenz. 1991; 42:1053-1064.

Zatuchni, G.I., Colombi, D.J.: "Bromelains therapy for the prevention of episiotomy pain". Obstet Gynecol. 1967; 29:275-278.

Zuschlag, J.M.: "Double-blind clinical study using certain proteolytic enzyme mixtures in karate fighters". Working paper. Mucos Pharma GmbH (Germany).1988;1-5.