Saks informs him that in the clinical trials, half the patients receive the drug and the other half are given a placebo, as this is the only way they can determine if the drug is working.
Half the patients receive. This is in the clinical trials. This is what Saks informs him. The drug are given a placebo. The other half are given a placebo. This is the only way. They can determine. The drug is working the only way.