The prevalence of rickets and its importance for public health. Engel (Klin. Woch., 1923, No. 12) - PDF (Russian)
© 1923 Lepsky E.
This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.