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This paper presents a systematic investigation of the modified discrete cosine transform/inverse modified discrete cosine transform (MDCT/IMDCT) algorithm using a matrix representation. This approach results in new understanding of the MDCT/IMDCT, enables the development of new algorithms, and makes clear the connection between the algorithms. We represent(More)
The twin reversed arterial perfusion (TRAP) sequence is a very rare complication of multiple gestations and is associated with a high mortality rate, reaching more than 50% in pump twins. The four common complications are preterm labor, polyhydramnios, fetal congestive heart failure, and fetal death of the pump twin in utero. Prenatal diagnosis during early(More)
OBJECTIVES To study the correlation between amniotic fluid leptin levels and maternal serum leptin levels during the early second trimester, and to determine whether the ratios of amniotic fluid leptin levels to maternal serum leptin levels are elevated in pregnant women who subsequently develop preeclampsia. STUDY DESIGN Samples from 120 pregnant women(More)
Retroperitoneal leiomyomas are extremely rare and have a good prognosis. Long-term follow-up reveals no metastasis but local recurrences do occur. These tumors, like uterine leiomyomas, are frequently accompanied by hyaline or myxoid changes as well as a trabecular pattern. Most are positive for estrogen and progesterone receptors. Herein, we report a(More)
OBJECTIVE To analyze whether leptin levels of the amniotic fluid elevate during early pregnancy in women destined to develop preeclampsia and to evaluate the relationship between amniotic fluid leptin levels and gestational age, maternal body mass index, and fetal sex. STUDY DESIGN Leptin levels of the amniotic fluid were compared in two groups of women,(More)
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