Olivares Grohnert M, Buñuel Álvarez JC. Breastfeeding reduces the risk of admittance to hospital due to gastroenteritis and lower respiratory tract infection in development countries. Rev Pediatr Aten Primaria. 2008;Supl 1:S71-5

Olivares Grohnert M, Buñuel Álvarez JC. Antibiotics started orally in acute pielonefritis have similar effectiveness as antibiotics started parenterally. Rev Pediatr Aten Primaria. 2008;10 Supl 1:S61-5

Buñuel Álvarez JC, Olivares Grohnert M. In children 6 to 36 months of age from a paediatric Primary Care setting, alternating acetaminophen and ibuprofen seems more effective than one only drug to reduce fever.... Rev Pediatr Aten Primaria. 2007;9 Supl 1:S103-7

Buñuel Álvarez JC, Olivares Grohnert M. BCG vaccination administred to newborns is cost-effective and clinically effective in the prevention of tuberculous meningitis and miliary tuberculosis in low-income countries. Rev Pediatr Aten Primaria. 2007;9 Supl 1:S97-102