@Article{ SÁNCHEZ_VILLAVERDE_RAMIREZ_RUIZ_ARROYO_RUIZ:149-156,
author = { JUAN SÁNCHEZ GARCÍA and CARMEN VILLAVERDE GUTIERREZ and JESUS RAMIREZ RODRIGO and GONZALO RUIZ VILLAVERDE and MANUEL ARROYO MORALES and RICARDO RUIZ VILLAVERDE } ,
title = { ACTH, BETA-ENDORPHIN, AND LEVES OF ANXIETY IN MIDDLE-AGE ATHLETES },
journal = { INTERNATIONAL JOURNAL OF SPORT PSYCHOLOGY },
year = { 2004 },
volume = { 35 },
issn = { 0047-0767 },
pages = { 149-156 },
}