So, he made a filtrate, he took this filter which was the liquid after he passed the tumor through a filter, and he injected it to another chicken, and he got another tumor.
قام راوس بالترشيح أخذ السائل الذي حصل عليه بعد ترشيح الورم، وحقنه في دجاجة أخرى، فحصل على ورم آخر.