TY  - RPRT
TI  - Enamel matrix pigmentation in the developing bovine tooth.
AU  - I M Shapiro
AU  - B H Amdur
DO  - 10.1016/0003-9969(65)90097-x
UR  - https://pubmed.ncbi.nlm.nih.gov/5226989/
ID  - 5226989
ER  -