[Perinatal studies. Development and promotion in the medical institutions of the country. General statistical, doctrinal and applicative considerations].
D004812:Epidemiologic Methods; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D008800:Mexico; D011247:Pregnancy; D013223:Statistics as Topic; D009626:Terminology as Topic
Investigaciones perinatales. Fomento y promoción en las instituciones médicas del país. (Consideraciones estadísticas, doctrinarias y aplicativas generales)