Mohamed Mansor Manan, Salmiah Mohd Ali, Muhammad Anwar Nawab Khan, Sara Jafarian
Mohamed Mansor Manan
Salmiah Mohd Ali
Muhammad Anwar Nawab Khan
Sara Jafarian
Out-of-pocket (OOP) payments may burden Methadone Maintenance Clinic patients
Methadone
out-of-pocket cost
willingness-to-pay
willingness-to-accept.