[Epidemiology of the respiratory distress syndrome].
D001724:Birth Weight; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008800:Mexico; D012127:Respiratory Distress Syndrome, Newborn / Q000453:epidemiology* / Q000401:mortality
Epidemiologia del síndrome de dificultad respiratoria (SDR).