In applying the new facts in the realm of nutrition and growth to the study of so-called nutritional diseases, it is extremely important to have a sharply defined clinical picture of the cases to be studied before we can make any deductions; therefore, in our chemical studies of tetany, with or without the association of rachitis, in our studies of scurvy, and finally in the study of rachitis itself, we must be positive that we are dealing with the disease under investigation. It is with this idea in mind, that I place on record some observations on craniotabes and beading of the ribs made by me during the past ten years.
It was primarily due to Wieland's1 work on the clinical and pathologic study of so-called congenital soft heads of infants that my attention was drawn to this phase of rachitis. Since Elsässer2 first published his observations on
SCHWARZ H. CRANIOTABES AND BEADING OF THE RIBS AS SIGNS OF RACHITIS. Am J Dis Child. 1920;19(5):384-385. doi:10.1001/archpedi.1920.01910230054008