1. Multidrug resistance S typhi in Harayana 1989–1990;Sabherwal;Ind J Med Res,1992
2. Multidrug resistant Salmonella typhi in Calicut, south India;Sudharshana;Ind J Med Res,1992
3. Spread of multi resistant Salmonella typhi;Rowe;Lancet,1999
4. Ciprofloxacin-resistant Salmonella typhi and treatment failure;Threlfall;Lancet,1999
5. Trend of increasing levels of minimum inhibitory concentration of ciprofloxacin to Salmonella typhi;Jesudasan;Ind J Med Res,1996