Then Molli a/p Superam Maniam & Noor Azah Abd Aziz.  (2021).  Pearls in Family Medicine: Medical Diseases in Primary Care.  - .  9. 

Rahmah Kamaludin, Noor Azimah Muhammad & Noor Azah Abd Aziz.  (2021).  Pearls in Family Medicine: Medical Diseases in Primary Care.  - .  8.