Complex sentence: It is independent of the pharmaceutical industry and is supported solely by subscriptions, accepts no advertising, grants, or donations and has had a strict policy in place that in order to retain their objectivity, no reprints will be sold to the pharmaceutical industry.
Split into simpler sentences: It is independent of the pharmaceutical industry and is supported solely by subscriptions. It accepts no advertising, grants, or donations and has had a strict policy in place that in order to retain their objectivity, no reprints will be sold to the pharmaceutical industry.