【题文】 Humans have four basic blood types: A, B , AB and O. Before doing blood transfusions(输血), we have to check a person’s blood type and find out which kind it is. That is the most important step before a blood transfusion. But do you know that just like humans, ani...
Girls who experienced early (before 13.0 years) had lower but higher serum concentrations at 10.0-15.9 years of age compared to girls with later . In ovulatory , a significant increase in was found from the early to the late part of the cycle, whereas no changes took place in . Serum ...
The other way you can figure out the types of stories is by going deeper, to the underlying reasons humans tell stories in the first place, the reason we've been telling stories for thousands of years, all the way back to the campfire stories our ancestors told each other. Why do we ...
- 《American Journal of Obstetrics & Gynecology》 被引量: 24发表: 1973年 Estimation of gestational age in early pregnancy from crown-rump length when gestational age range is truncated: the case study of the INTERGROWTH-21st Pro... Campbell S: The prediction of fetal maturity by ultrasonic mea...
That’s why teachers often encourage the early use of dictionaries and pay attention to content rather than technical ability. I was once shocked to read on the bottom of a sensitive piece of writing about a personal experience: “ This work is terrible! There are far too many spelling ...
【1】 Some of us enjoy activities that would surprise and scare the rest of us. Why? Experts say it may have to do with how our brains work. The reason why any of us take any risks at all might have to do with early humans. Risk-takers were better at hunting, fighting, or explor...
et al. Revised map of the human progenitor hierarchy shows the origin of macrophages and dendritic cells in early lymphoid development. Nat. Immunol. 11, 585–593 (2010). Article CAS PubMed Google Scholar Elghetany, M. T., Ge, Y., Patel, J., Martinez, J. & Uhrova, H. Flow ...
Cell-free RNA from liquid biopsies can be analyzed to determine disease tissue of origin. We extend this concept to identify cell types of origin using the Tabula Sapiens transcriptomic cell atlas as well as individual tissue transcriptomic cell atlases
(e.g., fresh/fixed biopsies or exfoliated cells) and PCR primers used to detect HPV positive samples; type-specific and overall prevalence of HPV infection. Where available, data on HPV-specific prevalence were extracted independently for squamous cell carcinoma (SCC) and for adeno- and ...
Do you know that people will die early if they have no friends during their lifetime The survey shows if you want to live longer and more happily, you need to have some friends who can share your sadness and happiness or can be helpful when you are in trouble.The following four types ...