operations strategy
operations used
operative
operative approach
operative blood loss
operative care
operative complications
operative conditions
operative data

operative death
operative delivery
operative details
operative duration
operative experience
operative factors
operative field
operative findings
operative intervention
operative laparoscopy

operative management
operative methods
operative morbidity
operative mortality
operative mortality rate
operative notes
operative outcomes
operative parameters
operative patients
operative procedure

operative results
operative risk
operative strategy
operative surgery
operative technique
operative techniques
operative time
operative treatment
operative vaginal delivery
operator

operator characteristic
operator characteristic curve
operator curve
operator DNA