Reference
- Teenage pregnancy: the problem that hasn't gone away. New York: Alan Guttmacher Institute. 1981: 5
Reference
- Mistretta CA. Cniminy AB. Diagnosis of cardiovascular disease bv digital subtraction angiography. Science 1981: 214: 761–5
References
- Mistretta CA, Crummy AB. Strother CM. Digital angiography: a perspective. Radiology 1981: 139: 273–6
- Chilcote WA. Modie MT. Pavlicek WA. et al. Digital subtraction angiography of the carotid arteries: a comparative study in 100 patients. Radiology 1981: 139: 587–95
- Modic MT. Weinstein HA, Chilcote WA, et al. Digital subtraction angiography of the Intracranial vascular system: comparative study in 55 patients. AJR 1982: 138: 299–306