Betel-quid use and its effects on symptoms of schizophrenia and extrapyramidal symptoms among a group of patients in a tertiary care hospital in Sri Lanka
A. Isuru,
D. Ediriweera,
A. Pathmeswaran,
A. Embuldeniya,
H. Narammalage,
S. Warnakulasuriya,
K. A. L. A. Kuruppuarachchi,
A. Hapangama
