Value of peritoneal lavage cytology during laparoscopic staging of patients with gastric carcinoma - Ribeiro Junior, Ulysses; Ibrahim, Roberto E.; Ribeiro, Adriana V. Safatle; Laudanna, Antônio Atílio; Pinotti, Henrique Walter; Bitelman, Bernardo; Gama Rodrigues, Joaquim José (Surgical Laparoscopy & Endoscopy, 1998)