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the aim of the study was to establish the frequency of hypovitaminosis d in children with type 1 diabetes mellitus (T1D), its influence on biochemical and densitometric parameters and the relation to diabetic nephropathy. 58 children with T1D at the age 9–19 years were enrolled to the study. Vitamin D concentration less than 30 ng/ml was considered as insufficient. 37 children (63.79%) had vita...

My immediate thought was that it was "morning sickness," a symptom of pregnancy. This seems impossible because I haven't been missing my period. If I did conceive, it could have happened only during last week. Wouldn't it be too early to tell? Also, are there pregnancy tests available at the Health Services in John Jay? If so, for what charge? Is it confidential? Do you recommend the store-boug...

The incidence of motion sickness in a large (N = 3,618) college population was determined by means of a questionnaire. Significantly greater proportions of men than women had low susceptibility scores; significantly greater proportions of women had high susceptibility scores. Comparisons of MSQ scores were made with other selfassessments, age changes, motion experiences, familial susceptibility...

Surgeons share their challenges and dilemmas in making ethical decisions in these twelve personal stories. The three commentary articles draw out the lessons the stories address. The commentators come from diverse backgrounds including sociology, bioethics, nursing, and surgery.

Tarnish and Corrosion behavior of three Commercial dental amalgams namely Am.1, Am.2, Am.3, have been investigated by utilizing in vitro tests. The corrosion and/or dissolution rate of the three dental amalgams were studied in 0.9 wt% NaCl Solution, artificial saliva and Ringers solution. Potentiodynamic polarization technique was employed to study cathodic and anodic polarization behavior, fro...

This article deals with the nonlinear memory effects observed on both AM/AM and AM/PM conversions and swept frequency-separation two-tone intermodulation-distortion (IMD) tests made on microwave power-amplifier (PA) circuits. This study is theoretically introduced via an analytic Volterra series analysis, then complemented with large-signal harmonic balance and envelope simulations of a GaN HEM...