APA (7th ed.) Citation

Villaseñor-Sierra, A. (2008). Serotypes and susceptibility of Streptococcus pneumoniae strains isolated from children in Mexico. Instituto Nacional de Salud Pública.

Chicago Style (17th ed.) Citation

Villaseñor-Sierra, Alberto. Serotypes and Susceptibility of Streptococcus Pneumoniae Strains Isolated from Children in Mexico. Instituto Nacional de Salud Pública, 2008.

MLA (9th ed.) Citation

Villaseñor-Sierra, Alberto. Serotypes and Susceptibility of Streptococcus Pneumoniae Strains Isolated from Children in Mexico. Instituto Nacional de Salud Pública, 2008.