Farah Dayana Rosli, Noor Hashida Hashim, Khairul Osman, Siti Fatimah Ibrahim, Nurul Kabir..  (2019).  Ameliorative effects of thymoquinone on sperm parameters and testosterone level of nicotine-treated sprague dawley rats.  - Brazilian Archives of Biology and Technology.  1-11. 

Syarifah Faezah Syed Mohamad, Siti Fatimah Ibrahim, Nur Hilwan Ismail, Khairul Osman, Farah Hanan Fathihah Jaafar, Chew Fang Nang & Farida Zuraina Mohd Yusof.  (2018).  Quantification of HSP70 gene expression and determination of capacitation status of magnetically separated cryopreserved bovine spermatozoa at different thawing temperature and time.  - Sains Malaysiana.  . 

Lina S., Eliza H., Hashida N. H., Ibrahim S. F., Osman K..  (2018).  Androgen receptor and ultrastructural features of nigella sativa oil and nicotine-treated male rat reproductive glands.  - Sains Malaysiana.  . 

Norhamizan Hashim, Khairul Osman, Siti Fatimah Ibrahim, Rosliah Harun & Rafeah Pakri Mohamed.  (2016).  Kesan psikostres terhadap kerosakan DNA dan ketakormalan residu sitoplasma sperma manusia.  - Sains Malaysiana.  1931-1938. 

Noraina Mohd Bakri, Siti Fatimah Ibrahim, Nurul Atikah Osman, Nurhaslina Hasan, Farah Hanan Fathihah Jaffar, Zulaiha Abdul Rahman, Khairul Osman.  (2016).  Embryo apoptosis identification: Oocyte grade or cleavage stage?.  - Saudi Journal of Biological Sciences.  50-55. 

S.S.M. Faezah, F.M.Y Zuraina, J.H.F. Farah, O.Khairul, N.I. Hilwani, M.I. Iswadi, C.N. Fang, I.Zawawi, O.M. Abas and S.I. Fatimah.  (2014).  The effects of magnetic separation on cryopreserved bovine spermatozoa motility, viability and cryo-capacitation status.  - Zygote.  22(3):378-386. 

Ismail M.I., Osman K., Ibrahim S.F., Jaafar F.H.F., Ghani N.A.A., Zainalabidin F.A., Othman A.M..  (2014).  Development of single tubing-type canister for cryo-storage of bull semen and their effect on sperm motility and viability.  - Brazilian Archives of Biology and Technology.  194 - 199. 

C. F. Nang, K. Osman, S. B. Budin, M. I. Ismail, F. H. F. Jaffar, S. F. S. Mohamad & S. F. Ibrahim.  (2012).  Bovine serum albumin: survival and osmolarity effect in bovine spermatozoa stored above freezing point.  - Andrologia.  44(S1):447-453. 

Zahara Abdul Manaf, C.C Lee, Siti Fatimah Ibrahim, Poh Bee Koon, Khairul Osman, Srijit Das, J. Mohammad.  (2010).  Plasma vitamin C and tocotrienols changes in response to dietary supplementation among young male adults.  - Clinica Terapeutica.  161(2):121-124. 

Fatimah, IS; Iswadi, IM; Khairul, O; Nurhazilah, M; Fadzilah, MS; Padzil, ARM; Srijit, D; Mazni, OA.  (2010).  A preliminary study of reactive oxygen species activity within motile Boer buck sperm using confocal laser scanning microscope (CLSM).  - Clinica Terapeutica.  161(2):125-128. 

K. Osman, S. Ibrahim, M. Ismail, S. Das, M. Abd Rahman and A. Othman.  (2008).  Data Mining: Relationship of Sperm Kinetics and DNA Integrity.  - Reproduction, Fertility & Development.  20 (S422) : 102.