Blood concentrations of vitamins B1, B6, B12, C and D and folate in palliative care patients: Results of a cross-sectional study.

Objective: The main purpose of palliative care is symptom relief. Frequently, the symptoms of patients requiring palliative care are the same as common symptoms of vitamin deficiency (e.g.

Hematopoietic cell renewal as the limiting factor in low-level radiation exposure: diagnostic implications and therapeutic options.

In some radiation accidents, exposure doses are delivered over days or even months. In all cases the organ system most relevant to a patient's survival is the hematopoietic tissue. There appears to be a threshold of approximately 10 mSv per day above which hematopoietic effects become apparent and hematopoietic failure may occur.