Four papers on paediatric health and medicine

Four papers on different aspects of paediatrics:'A Short Review of Nuclear Sexing and its Applications' by Paul E Polani MD MRCP, Guy's Hospital, SE1, July 1958'La Seguridad Social en la Lucha Contra la Mortalidad Perinatal', De Francciso J. Menachaca, Profesor de Higiene y Medicina Preventiva, Escuela de Tecnicos para la Sanidad, Universidad Nacional de Litoral Santa Fe, Argentina), c.1958'The work of the Infantile Malnutrition Unit of the Medical Research Council, Mulago Hospital'. c.1958Office of Population Censuses and Surveys OPCS Monitor, 11 Dec 1979 containing article on congenital malformations.