TY - RPRT TI - Basal cell carcinoma--signet ring type. Ultrastructural study. AU - I S Seo AU - T F Warner AU - J B Priest PY - 1979 DO - 10.1111/j.1600-0560.1979.tb01110.x UR - https://pubmed.ncbi.nlm.nih.gov/479428/ ID - 479428 ER -