Swimming World Championships 1998 at Perth (aus) Women: 400 m Medley January 12: Final: 1. Chen Yan (chn) 4:36.66 2. Yana Klochkova (ukr) 4:38.60 3. Yasuko Tajima (jpn) 4:39.45 4. Wu Yanyan (chn) 4:40.16 5. Kristine Quance (usa) 4:42.01 6. Maddy Crippen (usa) 4:43.45 7. Joanne Malar (can) 4:46.91 8. Nadine Neumann (aus) 4:48.84