Nipapan Pakayachuntavajana. 1989. The acute toxicity of B-adrenoceptor antagonists. Faculty of Graduate Studies, Mahidol University;
Nipapan Pakayachuntavajana. (1989) The acute toxicity of B-adrenoceptor antagonists . Mahidol University/Bangkok.
Nipapan Pakayachuntavajana. The acute toxicity of B-adrenoceptor antagonists. . Bangkok:Mahidol University, 1989.
Nipapan Pakayachuntavajana. (1989) The acute toxicity of B-adrenoceptor antagonists . Mahidol University/Bangkok.