O R Rennert

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Breast milk was collected from two women with cystic fibrosis (CF) and data from the literature was reviewed. The sodium concentration was within normal limits, 11-24 mmol/L in colostrum and 7-8 mmol/L in mature milk. Normal physiologic changes in milk composition after parturition (decreases in Na and increases in lactose) and during individual feeding(More)
Spermatogenesis refers to the developmental process of male germ cell formation from the spermatogonial stem cell to mature spermatozoa. The progression of male germ cells through the different phases of development, along with changes in cellular size and morphology, involves a coordinated change in their gene expression program at both the transcript and(More)
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