[a micromethod for determination of serum zinc and copper concentration in infants aged 1-3 months in chengdu].a micromethod for the measurement of serum zinc and copper concentration of peripheral blood by wave-oscillopolarography is introduced in this article. the method is superior to the commonly used flame atomic absorption spectrophotometry (aas) in its simplicity in sampling and operating and in its inexpensiveness. yet the results are identical with those obtained by ass, the method is good enough to replace ass in clinical work, especially in the field of pediatrics. serum zinc and copper concen ...19911786961
common occurrence of cryptosporidium hominis in horses and donkeys.extensive genetic variation is observed within the genus cryptosporidium and the distribution of cryptosporidium species/genotypes in humans and animals appears to vary by geography and host species. to better understand the genetic diversity of cryptosporidium spp. in horses and donkeys, we characterized five horse-derived and 82 donkey-derived cryptosporidium isolates from five provinces or autonomous regions (sichuan, gansu, henan, inner mongolia and shandong) in china at the species/genotype ...201627264727
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