PT - JOURNAL ARTICLE AU - Zwecher, Michael J. TI - The Relative Performance of Mid-Cap Stock Indexes AID - 10.3905/joi.1997.408421 DP - 1997 May 31 TA - The Journal of Investing PG - 47--52 VI - 6 IP - 2 4099 - http://joi.pm-research.com/content/6/2/47.short 4100 - http://joi.pm-research.com/content/6/2/47.full