Patthy L, Trexler M, Banyai L, Varadi A, Vali Z (1984). "Kringles: modules specialized for protein binding. Homology of the gelatin-binding region of fibronectin with the kringle structures of proteases". FEBS Lett.171 (1): 131–136. PMID6373375. doi:10.1016/0014-5793(84)80473-1.
Atkinson RA, Williams RJ (1990). "Solution structure of the kringle 4 domain from human plasminogen by 1H nuclear magnetic resonance spectroscopy and distance geometry". J. Mol. Biol.212 (3): 541–552. PMID2157850. doi:10.1016/0022-2836(90)90330-O.
Patthy L (1985). "Evolution of the proteases of blood coagulation and fibrinolysis by assembly from modules". Cell41 (3): 657–663. PMID3891096. doi:10.1016/S0092-8674(85)80046-5.
Takahashi K, Ikeo K, Gojobori T (1991). "Evolutionary origin of numerous kringles in human and simian apolipoprotein(a)". FEBS Lett.287 (1): 146–148. PMID1879523. doi:10.1016/0014-5793(91)80036-3.
Patthy L, Trexler M, Banyai L, Varadi A, Vali Z (1984). "Kringles: modules specialized for protein binding. Homology of the gelatin-binding region of fibronectin with the kringle structures of proteases". FEBS Lett.171 (1): 131–136. PMID6373375. doi:10.1016/0014-5793(84)80473-1.
Atkinson RA, Williams RJ (1990). "Solution structure of the kringle 4 domain from human plasminogen by 1H nuclear magnetic resonance spectroscopy and distance geometry". J. Mol. Biol.212 (3): 541–552. PMID2157850. doi:10.1016/0022-2836(90)90330-O.
Patthy L (1985). "Evolution of the proteases of blood coagulation and fibrinolysis by assembly from modules". Cell41 (3): 657–663. PMID3891096. doi:10.1016/S0092-8674(85)80046-5.
Takahashi K, Ikeo K, Gojobori T (1991). "Evolutionary origin of numerous kringles in human and simian apolipoprotein(a)". FEBS Lett.287 (1): 146–148. PMID1879523. doi:10.1016/0014-5793(91)80036-3.