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43280 documents, page 1 of 4328

Leprechaunism with mosaicism 46, XX/47, XX extra ring chromosome.

A case of leprechaunism with a chromosomal abnormality is reported. The patient was a female infant, born to healthy, consanguineous young parents. Her course was one of extreme marasmus, with death at 3 months of age. She presented the classical features of the syndrome and chromosome mosaicism 46, XX/47, XX, +r(?). It was not possible to identify the origin of the extra ring chromosome. It is difficult to establish the role of such a cytogenetic finding in the aetiology of the syndrome.

Estudios medievales

"Este Artículo pertenece a la sección Libros. "

El marxismo y los católicos franceses

"Este Artículo pertenece a la sección Miret Magdalena. "

Methods used by general practitioners in developmental screening of preschool children.

Bain, D.J. (1977)
A study of the methods used by 20 general practitioners to perform developmental screening examinations of preschool children showed that routine physical examination was adequately performed but at the expense of additional tests of child development. A total of 348 children were examined by either a doctor (144 cases) or a health visitor (90), or both (114). The degree of participation by health visitors suggests that developmental screening need not necessarily be the sole responsibility o...

The Effect of Chronic Hypoxemia on Regional Myocardial Blood Flow in the Conscious Dog After Acute Coronary Artery Occlusion

Chronic hypoxemia was produced in 16 dogs by surgical transposition of the caudal vena cava to the left atrium to determine if chronic hypoxemia would alter the response of the myocardium to acute ischemia. An electromagnetic aortic flow probe, left atrial tube, and occlusive cuff on the left circumflex coronary artery were permanently implanted in 11 hypoxemic and 26 normal control dogs. The animals were studied in the conscious state after recovery from the surgery. Dogs with hypoxemia had ...

Activation studies of the multiple forms of prochymosin (prorennin).

Activation of the four separate components of prochymosin (prorennin) at pH 5.0 demonstrated that each zymogen was the precursor to an electrophoretically distinct chymosin (rennin). When the increase in milk-clotting activity with time was analysed, the mechanism of activation of unfractionated prochymosin, individual prochymosin components, and a mixture of the prochymosin fractions at pH 5.0 was shown to follow essentially autocatalytic kinetics. The activation of prochymosin C was complet...