TY - RPRT TI - Soluble hemin compounds as ultrastructural tracers. AU - J F Aronson AU - G G Pietra AU - A P Fishman PY - 1973 DO - 10.1177/21.12.1047 UR - https://pubmed.ncbi.nlm.nih.gov/4763377/ ID - 4763377 ER -