Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1043-4666(19)30105-X
Histopathology and cytopathology of the uterine cervix - digital atlas free resource International Agency for Research on Cancer - Screening Group https://screening.iarc.fr/atlashisto.php
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-CD4-2