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Observations on the microvasculature in the left ventricular wall of infant and adult yaks under light and scanning electron microscope (SEM) were presented. Moreover, the diameter of different microvasculature and the density of the capillaries in three layers of the ventricular myocardium were measured using Image Pro-Plus 5.0. The results showed that the(More)
We investigated the genetic structure of 99 isolates of serotype 23F Streptococcus pneumoniae from children with acute respiratory infections collected over two periods from 1997 to 2006, and 2010. All isolates were susceptible to vancomycin and amoxicillin-clavulanic acid; 97 were resistant to erythromycin, 95 of which carried the ermB gene and two carried(More)
Forty-five female yaks of different ages with known reproductive histories were used to determine the morphology and follicular systems of their ovaries. The histological structure of the ovaries in each age group was found to be similar and resembled that of cattle and buffalo. The atresia of primordial follicles took one form (oocyte atresia); that of(More)
Concentrations of oestradiol-17 beta and progesterone in plasma and milk of the yak before the first oestrus at the beginning of the breeding season and during normal and short oestrus cycles were measured by radioimmunoassay (RIA). Both oestradiol-17 beta and progesterone were maintained at stable, low levels before the first oestrus. However,(More)
We investigated the genetic structure of 120 isolates of serotype 19F Streptococcus pneumoniae from Chinese children with acute respiratory infections collected from 1997 to 2006, and 2010. All strains were susceptible to vancomycin and levofloxacin, and only five strains were not susceptible to penicillin. The non-susceptibility rate to cephalosporins(More)
The objective of this study was to investigate the developmental morphology of yak oocytes from the primordial follicle to the tertiary follicle. Yak oocytes from resting primordial (n = 6), activated primordial (n = 12), primary (n = 9), secondary (n = 7) and early tertiary (n = 5) follicles were processed and analysed by light and transmission electron(More)
To investigate thickness of the macular ganglion cell complex (mGCC) and circumpapillary retinal nerve fiber layer (cRNFL) in retinal segments without visual field (VF) loss in glaucomatous eyes in which localized VF defects were confined to a single hemifield, using spectral-domain optical coherence tomography (SD-OCT). Seventy-one Asian glaucomatous(More)
Moriz Kaposi was the first who, in 1872, described five patients presenting with "sarcoma idiopathicum multiple hemorrhagicum". In 1912 Sternberg termed this disease Kaposi's sarcoma. Since then various forms of this rare disease have been observed. In 1914 Hallenberg described the first cases of African or endemic Kaposi's sarcoma. In the 1960s the first(More)
Dorsal dislocation of the metacarpophalangeal joint of the thumb is uncommon. We report the case of a 15-year-old patient with a complex dislocation of the left thumb who underwent open reduction after several attempts at closed reduction failed. At 2-month follow-up, full range of movement was regained; strength and pinch grip were comparable to that of(More)
Forty-five female yaks of different ages with known reproductive histories were used to determine the anatomical characteristics of their internal genital organs. The results showed that there were several follicles of different sizes present on the surface of each examined ovary, up to a maximum of 13. In each age group, a greater number of follicles < 5(More)