1. Abrams HL, Spiro R, Goldstein N: Metastases in carcinoma. Analysis of 1,000 autopsied cases. Cancer 3:74–85, 1950
2. Accetta PA, Gray GF Jr, Hunter RM, Rosenfeld L: Mucoepidermoid carcinoma of salivary glands. Arch Path Lab Med 108(4):321, 1984
3. Anderson KM, Bonomi P: Metastatic breast cancer from an occult primary provisionally identified by steroid receptor content and two-dimensional protein electrophoresis: some problems associated with the use of the latter technique. Clin Physiol Biochem 3(5):265, 1985
4. Anderstrom C, Johansson SL, von Schultz L: Primary adenocarcinoma of the urinary bladder. Cancer 52(7):1273, 1983
5. Ashley DJB: Evans’ Histological Appearances of Tumours (3rd edition) Vols. 1 and 2. Edinburgh-London-New York: Churchill Livingstone, 1978