A search was performed (April 2004) across four databases, namely Ovid Medline, Cochrane Library, PubMed and Web of Science, relevant to the proposed PICO ( Patient or problem, Intervention, ...

THE extirpation of the regional lymph node doubles the survival-time of a cutaneous homograft on the ear of a rabbit 1,2. If we perform an indirect colour lymphography before and after extirpation, we ...

The removal through endoscopy of tumours that affect only the superficial layers of the oesophagus can avoid complete extirpation of this part of the digestive tract. The technique, carried out at the ...