@misc{indiciaeb1f96e0fdc1d, title = {Brief communication: C-type particles in normal human placentas.}, author = {S S Kalter and R J Helmke and R L Heberling and M Panigel and A K Fowler and J E Strickland and A Hellman}, year = {1973}, doi = {10.1093/jnci/50.4.1081}, url = {https://pubmed.ncbi.nlm.nih.gov/4703773/}, note = {Source identifier: 4703773} }