title: Seasonal Differences in Sex Ratio, Litter Size and Birth Weight of the Albino Rat under Uniform Laboratory Conditions.
authors.affiliation: Department of Zoölogy, Washington University, Saint Louis, Missouri.
authors.forename: F B
authors.initials: FB
authors.lastname: Hanson
authors.forename: F N
authors.initials: FN
authors.lastname: Sholes