TY - GEN AU - Pian-Smith,May C.M. AU - Leffert,Lisa TI - Anestesia obstétrica SN - 978-970-10-6922-6 U1 - 617.968 A5796a-o PY - 2009/// CY - México : PB - McGraw-Hill Interamericana, KW - ANESTESIA EN OBSTETRICIA ER -