TY - CONF AU - Nuñez Viejo, Miguel Angel PY - 2012 SN - 0923-7534 UR - http://hdl.handle.net/20.500.11940/2534 LA - eng TI - PAIN AND BOWEL FUNCTION EVOLUTION, IN CANCER PATIENTS TREATED WITH STRONG OPIOIDS AT THE FIRST TIME THAT THEY REPORT MODERATE-SEVERE PAIN. C2 STUDY VL - 23 ER -