Name Info Provider Link
subscription/membership/fee required Atypon https://ascopubs.org/doi/10.1200/JCO.2004.03.137?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Rectal Cancer free resource Genetic Alliance https://www.diseaseinfosearch.org/result/6169
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=14722043.ui