Risk factors for increasing cesarian section rate in southeast Brazil a comparision of two temporal series, 1978/79 and 1994
Marco Antonio Barbieri Antônio A. M Silva; Heloísa Bettiol; Uilho A Gomes; Annual Meeting of the American Pediatric Sociey (1997 Washington)
Pediatric Research Baltimore v. 41, n. 4, p. 74A, res. 431, 1997Baltimore 1997
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