Pang Sze Lei, Ho Kok Lian, Jitka Waterman, Teh Aik-Hong, Chew Fook Tim & Ng Chyan Leong.  (2015).  Cloning, expression, purification, characterization, crystallization and X-ray crystallographic analysis of recombinant Der f 21 )rDer f 21) from Dermatophagoides farinae.  - Acta Crystallographica Section F Structural Biology Communications.  1396-1400. 

Sofiyah Shaibullah, Nurhikmah Mohd Sharif, Kok Lian Ho, Mohd Firdaus Raih, Sheila Nathan, Rahmah Mohamed and Ng Chyan Leong.  (2014).  Crystallization and preliminary crystallographic studies of the hypothetical protein BPSL1038 from Burkholderia pseudomallei.  - Acta Crystallographica Section F Structural Biology Communications.  1697-1700.