| Description | Correspondence concerning a manuscript [enclosed] submitted by Novitski to the Annals of Human Genetics, titled "The Relationship between Parental Age, Birth Order and the Secondary Sex Ratio in Humans", by E Novitski and L Sandler, department of Zoology, University of Missouri. The correspondence is between Novitski and Penrose, but the file also includes an earlier letter referencing the manuscript sent to Novitski by Everett R Dempster, Associate Professor of Genetics at the University of California. |