Ahmed N (2005). Advanced glycation endproducts-role in pathology of diabetic complications. Diabetes Res. Clin. Pract. 67(1):3-21
Crossref

Atangwho IJ, Ebong PE, Eyong EU, Asmawi MZ, Ahmad M (2012). Synergistic antidiabetic activity of Vernonia amygdalina and Azadirachta indica: Biochemical effects and possible mechanism. J. Ethnopharmacol. 141(3):878-887.
Crossref

Atangwho IJ, Egbung GE, Ahmad M, Yam MF, Asmawi MZ (2013). Antioxidant versus anti-diabetic properties of leaves from Vernonia amygdalina Del. growing in Malaysia. Food Chem. 141(4):3428-3434.
Crossref

Burkill HM (1985). The Useful Plants of West Tropical Africa, (2nd Ed). London: Royal Botanic Gardens Kew, pp. 510.

Ceriello A (2000). Oxidative stress and glycemic regulation. Metabolism 49(2):27-29.
Crossref

Chakraborty R, Rajagopala R (2002). Diabetes and insulin resistance associated disorders-disease and the terapy. Curr. Sci. 83:1533-1538.

Donga JJ, Surani VS, Sailor GU, Chauhan SP, Seth AK (2011). A systematic review on natural medicine used for therapy of diabetes mellitus of some Indian medicinal plants. Pharma Science Monitor-An Int. J. Pharm. Sci. 1(2):36-72.

Drury RAB, Wallington EA (1967). Carleton's histological technique, (4th Ed). London: Oxford University Press.

Ebong PE, Atangwho IJ, Eyong EU, Egbung GE (2008). The antidiabetic efficacy of combined extracts from two continental plants: Azadirachta indica (A. Juss) (Neem) and Vernonia amygdalina (Del.) (African Bitter Leaf). Am. J. Biochem. Biotechnol. 4(3):239-244.
Crossref

Elsner M, Guldbakke B, Tiedge M, Munday R, Lenzen S (2000). Relative importance of transport and alkylation for pancreatic beta-cell toxicity of streptozotocin. Diabetologia 43(12):1528-1533.
Crossref

Focho DA, Nkeng EAP, Lucha CF, Ndam WT, Afegenui A (2009). Ethnobotanical survey of plants used to treat diseases of the reproductive system and preliminary phytochemical screening of some species of Malvaceae in Ndop Central Sub-Division, Cameroon. J. Med. Plants Res. 3:301-314.

Igile GO, Iwara IA, Mgbeje BIA, Uboh FE, Ebong PE (2013). Phytochemical, Proximate and Nutrient Composition of Vernonia calvaona Hook (Asterecea): A Green-Leafy Vegetable in Nigeria. J. Food Res. 2(6).

Iwara IA, Igile GO, Uboh FE, Eyong EU, Ebong PE (2015). Hypoglycemic and hypolipidemic potentials of extract of Vernonia Calvoana on Alloxan –Induce Diabetics Albino Wistar rats. Eur. J. Med. Plant 8(2):78-86.
Crossref

Iwara IA, Uboh FE, Igile GO, Edward JM, Eteng MU (2016). Bioactive components and in vitro antioxidants activity of extracts of Vernonia calvoana leaves. J. Trop. Med. (In press).

Iwu MM (1993). Handbook of African medicinal plants. London: CRC Press, P 415.

Keeley SC, Jones SB (1979). Distribution of pollen types in Vernonia (Vernonieae: Compositae). Syst. Bot. 4:195-202.
Crossref

King AJ (2012). The use of animal models in diabetes research. Brit. J. Pharmacol. 166(3):877-894.
Crossref

Lorke DA (1983). New Approach to Practical Acute Toxicity Testing. Arch. Toxicol. 53:275-287.
Crossref

Mythili M, Vyas R, Akila G, Gunasekaran S (2004). Effect of streptozotocin on the ultrastructure of rat pancreatic islets. Microsc. Res. Tech. 63(5):274-281.
Crossref

Noor AS, Jilani PS, Sharique A, Ahamad I, Durga KR (2010). Increased frequency of micronuclei in diabetes mellitus patients using pioglitazone and glimepiride in combination. Food Chem. Toxicol. 48:3432-3435.
Crossref

Ray R, Shah AX (2005). NADPH oxidase and endothelial cell function. Clin. Sci. 109:217-226.
Crossref

Szkudelski T (2001). The mechanism of alloxan and streptozotocin action in B cells of the rat pancreas. Physiol. Res. 50:536-546.

Venkatesh S, Reddy GD, Reddy BM, Ramesh M, Rao AA (2003). Antihyperglycemic activity of Caralluma attenuata. Fitoterapia 74(3):274-279.
Crossref

Williams M, Hogg RE, Chakravarthy U (2013). Antioxidants and diabetic retinopathy, Curr. Diabetes Rep. 13(4):481-487.
Crossref

World Health Organization (WHO) (2014). Global health estimates: Deaths by cause, age, sex and country, 2000-2012. Geneva, WHO.