S. MárquezCalderón

Effectiveness of influenza vaccine in the elderly. A critical review of the bibliography

J. PuigBarberá, S. MárquezCalderón, 1995 .

Incidence of diarrhea among groups of children in the city of Seville

S. MárquezCalderón, García López Jl, C. Alvarez-DardetDíaz, 1990 .