Anti' bacterial activity tests $'ere carried out against clinically iso- lated methicillin-reslqtant Staphylococcus nurerc (MRSA) NPRC R001-R020 (n =20) and methicillin-susceptible S' n'ureus (MSSA) NPRC 5001-5020 (r = 20)' S ' aureus ATCC 29213 was ,aa"a ,. a stanrlartl control strain'