1. Journal of Research in Pharmacy. Shieh Ting Kan, Mohamad Syahrizal Ahmad, Saripah Salbiah Syed Abdul Azziz, Khalijah Awang, Yuhanis Mhd Bakri, Mohd Azlan Nafiah, Phirdaous Abbas,Yumi Zuhanis Has-yun Hashim. Oxoaporphine alkaloids from the barks of Platymitra siamensis Craib (Annonaceae) and their cytotoxicity against MCF-7 cancer cell line.

2. Science Heritage Journal. Phirdaous Abbas, Yumi Z. H-Y. Hashim, Hamzah Mohd. Salleh. Cytotoxic effects and response surface optimization of solvent extraction of crude extracts from Aquilaria subintegra uninfected branch

3. Nur A. A. Zainurin, Yumi Z. H-Y. Hashim, Nor F. Mohamed Azmin, Phirdaous Abbas. (2018). Agarwood Leaf Essential Oil Characterization and Effects on MCF-7 Breast Cancer Cells. Advanced Science Engineering Information Technology. 8(4-2):1604-1609.

4. Phirdaous Abbas, Yumi Z.H-Y Hashim, Hamzah Mohd Salleh (2018). Cytotoxic Effects and Response Surface Optimization of Solvent Extraction of Crude Extracts from Aquilaria Subintegra Uninfected Branch. Science Heritage Journal, 2(2):10 -15.

5. Phirdaous Abbas, Yumi Zuhanis Has-Yun Hashim, Hamzah Mohd Salleh. (2018). Uninfected agarwood branch extract possess cytotoxic and inhibitory effects on MCF-7 breast cancer cells. Journal of Research in Pharmacy (IN PRESS).

6. Hamdan T.H., Mansor A.F.M., Abbas P., Nordin A.N., and Hashim Y.Z.H-Y. (2017). Toxicity studies of natural product in VERO cells using impedance monitoring. IMEDITEC 2017. 240-243.

7. Phirdaous Abbas, Yumi Zuhanis Has-Yun Hashim, and Azura Amid. (2017). Cytokinetic Study of Uninfected Agarwood Branch Ethanolic Extract on Breast Cancer Cells. Asia-Pacific Journal of Molecular Biology and Biotechnology. 25(1):1-7.

8. Yumi Zuhanis Has-Yun Hashim, Phillip G. Kerr, Phirdaous Abbas, Hamzah Mohd Salleh. (2016). Aquilaria (spp.) as a source of health beneficial compounds: a review of traditional use, phytochemistry and pharmacology. Journal of Ethnopharmacology. 189:331-360.

9. Yumi Z. H-Y. Hashim, Chris I. R. Gill, Cheryl Latimer, Nigel Ternan and Phirdaous Abbas (2016). Studies of Malaysian Plants in Prevention and Treatment of Colorectal Cancer, Colorectal Cancer – From Pathogenesis to Treatment, Prof. Luis Rodrigo (Ed.), InTech, DOI: 10.5772/62868. Available from: https://www.intechopen.com/books/colorectal-cancer-from-pathogenesis-totreatment/studies-of-malaysian-plants-in-prevention-and-treatment-of-colorectal-cancer.

10. Phirdaous Abbas, Yumi Zuhanis Has-Yun Hashim, Azura Amid, Hamzah Mohd Salleh, Parveen Jamal and Irwandi Jaswir. (2014). Anti-cancer potential of agarwood distillate. Journal of Pure and Applied Microbiology. (May 2014 Special Edition) 871-874.

11. Yumi Zuhanis Has-Yun Hashim, Nurul Izzah Ismail and Phirdaous Abbas. (2014). Analysis of chemical compounds of agarwood oil from different species by gas chromatography (GCMS). IIUM Engineering Journal. 15(1):55-60.

12. Yumi Zuhanis Has-Yun Hashim, Phirdaous Abbas, Azura Amid. (2014). Screening of anticancer activity from agarwood essential oil. Phcog. Res. 6(3):191-194.