prospective study on the prevalence of sudden infant death and possible risk factors in brussels: preliminary results (1987-1988).a prospective study was carried out to assess the frequency of sudden infant death (sid) in the brussels area. the study was conducted between january and december 1987 on infants presented to the health clinics of the brussels "office de la naissance et de l'enfance" (one). the infants entered the study if: (a) they were born between january 1 and december 31, 1987; (b) they attended an one consultation in the brussels area between january 1987 and december 1988; (c) visits were repeated monthl ...19902303079
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