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