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Discover 19,675 clinical trials near Pennsylvania. Find research studies in your area.
Showing 13581-13600 of 19,675 trials
NCT02254577
To determine whether the of vaginal progesterone replacement for frozen embryo transfer results in equivalent live birth rates to intramuscular injection progesterone replacement.
NCT02415270
The overall objectives of this clinical study are to determine in smokers the short term effects of switching to tobacco products that deliver low levels of nicotine or reactive oxygen/nitrogen species (ROS/RNS) on smoking behavior and biomarkers of tobacco smoke exposure and oxidative stress.