31. Arsenic used therapeutically in homeopathic medicines can cause clinical toxicity if the medications are improperly used ". 32. However, Chinese scientists have been studying whether piperaquine can still be used therapeutically in combination with artemisinin. 33. Whether or not these studies have been clinically and / or therapeutically useful, however, remains controversial. 34. Phenylbutazone is used therapeutically in humans as a treatment for ankylosing spondylitis when other treatments are not suitable. 35. A number of therapeutically useful drugs have subsequently been extracted from ergot including ergotamine, pergolide and cabergoline. 36. "In the beginning, it's survival : What does my child need medically, therapeutically ? 37. Dr . Hankin, the psychotherapist, says such psychological quick fixes can be therapeutically valid, within reason. 38. Generic versions of brand-name drugs typically cost less, but federal officials say they are therapeutically equivalent. 39. Achieving Through Music is a James Lick Middle School program that uses music therapeutically to help kids at risk. 40. Despite their current limited use therapeutically , iPSCs hold create potential for future use in medical treatment and research.