He laid out the following rules and principles for testing the effectiveness of new drugs and medications : One of the most famous clinical trials was James Lind 's demonstration in 1747 that citrus fruits cure scurvy .
He laid out the following rules and principles for testing the effectiveness of new drugs and medications , which still form the basis of modern clinical trials : One of the most famous clinical trials was James Lind 's demonstration in 1747 that citrus fruits cure scurvy .