Granulocytic sarcoma (GS) is an extramedullary tumor composed of granulocytic precursor
cells. The tumor usually develops during the course of myelogenous leukemia or …

Women who use oral contraceptives have impaired folate metabolism as shown by slightly
but significantly lower levels of folate in the serum and the erythrocytes and an increased …

The fetus, the neonate, and the pregnant woman have a greater requirement for folic acid
and vitamin B12 and are more likely to suffer from a deficiency of these vitamins. This article …

The variations between different lots of activated partial thromboplastin time (APTT) produced
by three major North American suppliers were evaluated over the past eight years. The …

… Shojania, AM: Effect of oral contraceptives on vitamin B12 metabolism, Lancet 2:432, 1971.
3. Matthews, DM: Observation on the estimation of serum vitamin B12 using Lactobacillus …

The hematological aspects of the original case of Rh mod are reported. The subject, as in
other reported cases, had a chronic hemolytic anemia characterized by stomatocytosis, …

We have studied the effect of oral contraceptives on folate metabolism, in order to test the
hypothesis that folate deficiency of pregnant women may be partly due to impairment of folate …

Background Since 1998, in the countries where there is mandatory fortification of grain products
with folic acid, folate deficiency has become very rare. Consequently, we decided to find …

Serum folate levels were serially determined in 57 premature infants from birth to 7 months
of age. Twenty-four normal children and 21 normal adults served as controls. The mean …

The sensitivity of the reagents for activated partial thromboplastin time (APTT) test varies
greatly. Consequently the physicians who prescribe heparin based on certain APTT ratios may …