TY - RPRT TI - Sub-surface structures in normal and malignant cells. AU - E J Ambrose AU - U Batzdorf AU - J S Osborn AU - P R Stuart PY - 1970 DO - 10.1038/227397a0 UR - https://pubmed.ncbi.nlm.nih.gov/4316958/ ID - 4316958 ER -