AU - Matser ET, Kessels AG, Lezak MD, Jordan BD, Troost J TI - NEuropsychological impairment in amateur soccer players PT - JOUR DP - 1999 TA - JAMA pages = {971-973}, VI - 282 IP - 10 AID - 10.1001/jama.282.10.971 [doi] 4100 - http://dx.doi.org/10.1001/jama.282.10.971 SO - JAMA September 8, 1999 282(10):971