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Aungsana Poongern. (1998) A study of outpatient drug utilization and impacts of the implementation of voluntary health card program at Saraburi hospital . Mahidol University/Bangkok.
Aungsana Poongern. A study of outpatient drug utilization and impacts of the implementation of voluntary health card program at Saraburi hospital. . Bangkok:Mahidol University, 1998.
Aungsana Poongern. (1998) A study of outpatient drug utilization and impacts of the implementation of voluntary health card program at Saraburi hospital . Mahidol University/Bangkok.