The results of the study were inconclusive; therefore, more research needs to be done on the topic.

Shows no improvement in any of the vital signs.

Because I love to write papers, I would write one every day if I had the time.

I love to write papers I would write one every day if I had the time.

The doctors, who were using peer-reviewed research articles that contributed to the body of knowledge in their fields, which was obstetrics.