INTRODUCTION Perinatal mortality is defined as the population of stillborn fetuses and newborns that occur on delivery. Perinatal period is the period that includes fetuses weighing> 500g (22nd week of gestation) and newborns aged up to seven days. Infants born prematurely are more likely to pass away during the neonatal period (up to 28 days) and the first year of life than full-term newborns,...

Secular changes in body size, estimated fatness, skeletal maturation, and functional characteristics of youth soccer players on entry into an elite academy between 1992 and 2003 were compared. Annual selections grouped across time (1992-1995, 1996-1998, 1999-2003), playing position (goalkeeper, defender, midfielder, forward), and by eventual status in the sport (professional, non-professional) ...

OBJECTIVE To evaluate the effectiveness of child-resistant packaging in reducing the mortality rate for children younger than 5 years from the unintentional ingestion of oral prescription drugs. DESIGN Annual mortality rates for children younger than 5 years associated with the unintentional ingestion of oral prescription drugs are constructed for 1964 through 1992. The effect of child-resist...