@booklet {koh1989cardiovascular,
	title = {Cardiovascular Effects of Alkaloids of Uncaria Callophylla on Rats},
	year = {1989},
	publisher = {Institut Pengajian Tinggi, Universiti Malaya},
	author = {Koh, YK and Chang, P and Geh, SL and Soepadmo, E and Goh, SH and Wong, AK}
}
