@article{article, title = {Plasminogen activation system in milk from Friesian and Jersey cows: Relationships with milk production and composition}, author = {}, year = {2001}, journal = {Milchwissenschaft}, volume = {56}, number = {3}, pages = {150-151}, howpublished = "\url{https://eurekamag.com/research/011/160/011160028.php}" }