Name Info Provider Link
subscription/membership/fee required Chinese Medical Association Publishing House Ltd. https://www.yiigle.com/LinkIn.do?linkin_type=pubmed&DOI=10.3760/cma.j.issn.0253-2727.2019.12.013
Blood Disorders free resource MedlinePlus Health Information https://medlineplus.gov/blooddisorders.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32023737/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/32023737