Noordin, M.M., Shokri, J., and Sheikh-Omar, A.R. (2000).  Nutritional muscular regeneration in cattle in Malaysia: report of two cases. J. Vet. Mal. 11: 99-102. 

Noordin, M.M., Chiong, S.T. and Sheikh-Omar, A.R. (2000).  Rhadbitic dermatitis (rhabditic dermatosa) in a dog. J. Vet. Mal 11: 103-104. 

Zhang, S.S., Noordin, M.M., Jelas Haron, Md., and Sheikh-Omar A.R. (2000).  The toxicity of diosgenin and crude saponins isolated from Brachiaria decumbens in mice. Res. Vet. Sci (accpeted) 

Zhang, S.S., Noordin, M.M., Sheikh-Omar, A.R. and Jelas Haron, Md., (2000).  Effects of copper overload on hepatic lipid peroxidation and antioxidant defence in rats. Vet. Hum. Tosicol. (accepted). 

Murugaiyah, M., Sheikh-Omar, A.R., Ramakrishnan, P. and Wilde, C.J., (1999). Mammary cell differentiation activity in high and low milk producing Sahiwal Friesian cows.  Proceeding of the National Congress on Animal Health and Production” Environment Care in Animal Production” Sept. 3-5, p 43046. Alor Gajah, Melaka, Malaysia VAM/MSAP. 

Murugaiyah, M., Sheikh-Omar, A.R., Ramakrishnan, P. and Wilde, C.J., (1999). Mammary gland biopsy of Sahiwal Friesian cows. J. Tropical Agriculture and Food Science. 27(2). 

Zunita, Z., Sheikh-Omar, A.R. Mutalib, A.R. Radu, S., and Azmi, M.L. Preliminary characteristation of Dichelobacter nodosus from cattle in Malaysia. 22nd Microbiology Symposium JSPS-NCRT/DOST/LIPI/VCC Seminar, Pulau Pinang, 21-24 November 1999. 

Zunita, Z., Mutalib, A.R., Sheikh-Omar, A.R. In-vitro antimicrobial susceptibility of Dichelobacter nodosus isolated from footrot in sheep in Malaysia. 3rd UNESCO National Workshop on Promotion of Microbiology in Malaysia. 

Sheikh-Omar, A.R. and Fatimah, 1. (1989).  Animal Industry in Malaysia and the Veterinary Profession.  Proceedings of the First Congress of the Veterinary Association Malaysia, March 10-12, 1989, Kuala Lumpur, Malaysia (Editors). 

Abdullah, A.S. and Sheikh-Omar, A.R. (1986).  Proceedings of the Fifth Congress of the Federation of Asian Veterinary Associations (FAVA), October 19-21, 1986, Kuala Lumpur, Malaysia (Editors).