@misc{indiciae913b37fe2615, title = {Immunoglobulin A: site and sequence of expression in developing chicks.}, author = {P W Kincade and M D Cooper}, year = {1973}, doi = {10.1126/science.179.4071.398}, url = {https://pubmed.ncbi.nlm.nih.gov/4566557/}, note = {Source identifier: 4566557} }