@article{article28c781b2, title = {Circaseptan (about 7-day) modulation of circadian rhythm in corneal mitoses of holtzman rats}, author = {Tsai, T H and Scheving, L E and Sanchez de la Pena, S and Marques, Nélson and Halberg, F}, year = {1989}, doi = {10.1002/ar.1092250302}, journal = {Anatomical Record} }