Janssen B, Briand O, Potier A, Foldes P, de Saint Florent G
J Chir (Paris). 1981 Jan;118(1):53-5.
The authors suggest a new technique of biopsy of the internal mammary lymph node by anterior thoracotomy, through the large pectoral respecting entirely the costal presentation. After a presentation of different operating cycles, they report their results.
