The Thai version of the Positive and Negative Syndrome Scale (PANSS) for schizophrenia: criterion validity and interrater reliability.

The Positive and Negative Syndrome Scale or PANSS is a standardized instrument for the measurement of positive and negative symptoms of schizophrenia. The PANSS was widely accepted by researchers and was translated into many languages. It is now translated into Thai, the PANSS-T.

The effects of cigarette smoking on peripheral blood leukocytes and lymphocyte subpopulations: an urban population-based study in Thailand.

Preliminary studies for peripheral blood leukocytes and lymphocyte subsets were done in smokers and non-smokers. There were 20 smokers (smoked more than 10 cigarettes per day) for more than a year and 20 non-smokers (smoked less than 20 cigarettes/20 years). Ages of smokers and non-smokers were respectively 21-57, and 18-55 years.