TY  - SER
AU  - Canabrava,H.A.N.
AU  - Freire,A.C.T.
TI  - Influence of yohimbine, doxapram, 4-aminopyridine and aminophyline upon xylazine induced sedative effect in sheep
KW  - CARNEIRO
KW  - ANESTESIA
KW  - ANESTESICO
ER  -