TY  - GEN
AU  - MAUR,M
AU  - RAMOS MEJIA,M M
AU  - CAFFARELLO,J
TI  - [Evaluation of the tests for investigation of occult blood in the feces in malignant neoplasms of the upper portion of the digestive tract]
SN  - 0032-745X
PY  - 1998///1101
KW  - Esophageal Neoplasms
KW  - Feces
KW  - Humans
KW  - Neoplasms
KW  - Occult Blood
KW  - Stomach Neoplasms
KW  - diagnosis
N1  - Publication Type: Journal Article
ER  -