@Article{ MARTIN:117-118,

author = { ANTONIO MARTIN ANDRES } ,

title = { TABLAS 2X2:PEARSON, YATES, FISHER Y CIA(II). LA PRUEBA EXACTA DE FISHER },

journal = { JANO: MEDICINA Y HUMANIDADES },

year = { 1995 },

volume = { 1144 },

issn = { 0210-220X },

pages = { 117-118 },

}