@Article{ Sánchez-García_Villaverde-Gutierrez_Ramirez-Rodrigo_Ruiz-Villaverde_ARROYO_Ruiz-Villaverde: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 },

pages = { 149-156 },

}