We performed four sensitivity analyses to test the stability of our main findings (i.e., the association between the timing of maternal cigarette smoking and six subtypes of congenital anomalies), including the exclusion of women with cesarean section, the exclusion of those with eclampsia, gestational hypertension or gestational diabetes, the exclusion of those with preterm delivery, and the use of imputation analyses (using the fully conditional specification method [24]) to deal with missing data on all variables of interest
I spent the 1990s training for a career in medical oncology, with a focus on lung cancer
It's an especially burdensome requirement for a start-up -- and a risky one, too, since no one knows what variations the agency may allow
Consumers can thus switch back and forth between two different flavors with the flick of a switch
If you are going to switch to light varieties of cigarettes this is not the best choice
The tapered center air tube is the only visible portion, while all of the electrical components are hidden under a collar at the base