@misc{indiciae675ab25fdb33, title = {Histochemical observations on rumen mucosa structure and composition.}, author = {R Lavker and W Chalupa and P Opliger}, year = {1969}, doi = {10.3168/jds.s0022-0302(69)86544-6}, url = {https://pubmed.ncbi.nlm.nih.gov/4236739/}, note = {Source identifier: 4236739} }