In a previous study it was shown that the clinical symptoms attributed to rickets existed in varying degrees during the first year in breast fed babies, in terms of plusses from one to nine for the combined symptoms. In only three instances was there 1 +, the other instances ranging from 2 to 9. The symptoms studied were costal beading, enlarged epiphyses, cranial bosses, flaring ribs, craniotabes, and bow-legs. The frequency of their incidence was in the order named. Bow-legs were negligible. No attempt was made in the study to correlate the serologic and radiologic findings. The previous study included 197 cases, of which sixty-two were white and 135 were colored.
In the present study the observations were conducted in the same manner exactly, the readings made by one of us and checked by the other. With the previous study as a control, observations in this study were conducted to show
DeBUYS LR, von MEYSENBUG L. THE EFFECT OF THE ROUTINE ADMINISTRATION OF COD LIVER OIL ON THE DEVELOPMENT OF RICKETS IN THE BREAST FED. Am J Dis Child. 1924;28(3):329-343. doi:10.1001/archpedi.1924.04120210066007