L. Lawrence

Ultrasound-guided Aspiration of the Parotid Duct in Acute Suppurative Parotitis

D. Wolk, R. Warshawsky, B. Gross, 1993 .

Technetium-99m MDP accumulation in hepatic metastasis from osteogenic sarcoma.

S. Goldsmith, C. Palestro, A. Strashun, 1987, Clinical nuclear medicine.

Sensitivity of ultrasound in detecting spina bifida.

L. Holmes, N. Wald, H. Cuckle, 1991, The New England journal of medicine.