Summer sale: Save 58%

Heidi Gardner

(<a href='http://www.istockphoto.com/portfolio/AndreyPopov'>AndreyPopov</a> via <a href='http://www.istockphoto.com/'>iStock</a>)

Recruitment for medical trials is down and money might be needed to attract future participants

Heidi Gardner, Katie Gillies, Shaun Treweek