Dwelling crowding as a pertinent factor.
Beggs
P J
PJ
D003441:Crowding; D016481:Helicobacter Infections / Q000150:complications*; D016480:Helicobacter pylori; D006798:Housing; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012621:Seasons; D013398:Sudden Infant Death / Q000209:etiology*