1. Regato J del: Physiopathology of metastasis, in Weiss L, Gilbert HA (eds): Pulmonary Metastasis. Boston, GK Hall and Co, 1978, pp 104–113
2. Weiss L, Gilbert HA: Patterns of pulmonary metastases, in Weiss L, Gilbert HA (eds): Pulmonary Metastasis. Boston, GK Hall and Co, 1978, pp 100–103
3. Viadana E, Bross JDJ, Piekren JW: Cascade spread of blood-borne metastases in solid and non solid cancers of humans, in Weiss L, Gilbert HA (eds): Pulmonary Metastasis. Boston, GK Hall and Co, 1978, pp 142–167
4. Libshitz HI, North LB: Pulmonary metastases. Radiol Clin North Am 20(3):437–451, 1982
5. Fraser RP, Pare JA: Diagnosis of Diseases of the Chest. Philadelphia, WB Saunders Co, 1978, pp 1117–1134