| Description | Copy of El Da Mdico, 23 July 1962, Buenos Aires, containing articles on "Tratamiento Hormonal de las Osteoporosis y Artropatias Endocrinas", and "Mellizos Monglicos", and a letter from Dr Jos Dutray, dated 8 June 1963, author of the article on Down's syndrome twins and who sent the newspaper for Penrose's interest. |