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	1.	[NEONATAL MORTALITY IN VENEZUELA AND IN METROPOLITAN CARACAS DURING THE DECADE 1952-61. EVOLUTION OF THE PRINCIPAL ESTIMATED RATES. SOME CONSIDERATIONS]. [electronic resource] by VILLARROEL, D A Producer: 19961201 In: Revista venezolana de sanidad y asistencia social vol. 29 Availability: No items available. Save to lists Add to cart (remove)
	2.	[SOME BIODEMOGRAPHIC CHARACTERISTICS OF THE STATE OF CARABOBO AND OF VALENCIA IN THE DECADE 1951-60]. [electronic resource] by VILLARROEL, D A URBINAGONZALEZ, R Producer: 19961201 In: Revista venezolana de sanidad y asistencia social vol. 29 Availability: No items available. Save to lists Add to cart (remove)
	3.	Pod and seed mycoflora on transgenic and conventional soybean [Glycine max (L.) Merrill] cultivars in Mississippi. [electronic resource] by Villarroel, D A Baird, R E Trevathan, L E Watson, C E Scruggs, M L Producer: 20040715 In: Mycopathologia vol. 157 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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