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rozilawati ahmad, santhe kumari, akmal sabarudin.  (2017).  effective bladder filling protocol in conformal radiotherapy for rectal cancer : a comprehensive approach to reduce small bowel toxicity.  - medical journal of malaysia.  48. 

abubakar nattabi h, yahya n, ahmad r, mohamad m, yussof an, mohamed sharif n, mohd zaki f.  (2017).  factors impacting the performance and heterogeneity of studies assessing the reliability of 2- dimensional shear wave elastography for thyroid malignancy diagnosis.  - medical journal of malaysia.  15. 

yahya na, roslan n, ahmad r, azmi na.  (2017).  radiotherapy undersupply in sea countries : estimation of the need in 2025 and 2035.  - medical journal of malaysia.  39. 

rozilawati ahmad, luiza bondar, peter voet, jan-willem mens, sandra quint, glenn dhawtal, ben heijmen & mischa hoogeman.  (2013).  a margin-of-the-day online adaptive intensity-modulated radiotherapy strategy for cervical cancer provides superior treatment accuracy compared to clinically recommended margins: a dosimetric evaluati.  - acta oncologica.  52(7):1430-1436. 

m.l. bondar, m.s. hoogeman, j.w. mens, s.quint, r. ahmad, g. dhawtal, and b.j. heijmen.  (2012).  individualized nonadaptive and online-adaptive intensity-modulated radiotherapy treatment strategies for cervical cancer patients based on pretreatment acquired variable bladder filling computed.  - international journal of radiation oncology biology physics.  83(5):1617-1623. 

rozilawati ahmad, mischa s. hoogeman, sandra quint, jan willem mens, eliana m. vasquez osario, ben j.m. heijmen.  (2012).  residual setup errors caused by rotation and non-rigid motion in prone-treated cervical cancer patients after online cbct image-guidance.  - radiotherapy and oncology.  103:322-326. 

ahmad, r., hoogeman, m.s., bondar, m., dhawtal, v., quint, s., de pree, i., mens, j.w., heijmen, b.j.m..  (2011).  increasing treatment accuracy for cervical cancer patients using correlations between bladder-filling change and cervix-uterus displacements: proof of principle.  - radiotherapy and oncology.  98(3):340-346. 

bondar, l., hoogeman, m., mens, j.w., dhawtal, g., de pree, i., ahmad, r., quint, s., heijmen, b..  (2011).  toward an individualized target motion management for imrt of cervical cancer based on model-predicted cervix-uterus shape and position.  - radiotherapy and oncology.  99(2):240-245. 

b. heijmen, l. bondar, j. mens, g. dhawtal, s. quint, r. ahmad, i. de pree, m.s. hoogeman.  (2010).  an on-line adaptive strategy for cervical cancer patients based on pre-treatment acquired variable.  - international journal of radiation oncology biology physics.  78(3):S184-S185.