High Prevalence of Toxigenic and Nontoxigenic Clostridium difficile Strains in Malaysia by Riley, Thomas V., Collins, Deirdre A., Karunakaran, Rina, Kahar, Maria Abdul, Adnan, Ariza, Hassan, Siti Asma, Zainul, Nadiah Hanim, Rustam, F. R. Mohammed, Wahab, Z. Abd, Ramli, Ramliza, Lee, Yeong Yeh, Hassan, Hamimah, Onderdonk, Andrew B.