APA
Berbel Hernández C., Morquecho Gil M., de La Puente Callejo J., Viña Simón M., Crespo Allue E., García Montero I., González Guillén M., Llorente Martínez M. & Sanz López P. (20020514). [Documented immunization coverage in second-year primary schoolchildren from the province of Valladolid]. : Gaceta sanitaria.
Chicago
Berbel Hernández C, Morquecho Gil M, de La Puente Callejo J, Viña Simón M, Crespo Allue E, García Montero I, González Guillén M, Llorente Martínez M and Sanz López P. 20020514. [Documented immunization coverage in second-year primary schoolchildren from the province of Valladolid]. : Gaceta sanitaria.
Harvard
Berbel Hernández C., Morquecho Gil M., de La Puente Callejo J., Viña Simón M., Crespo Allue E., García Montero I., González Guillén M., Llorente Martínez M. and Sanz López P. (20020514). [Documented immunization coverage in second-year primary schoolchildren from the province of Valladolid]. : Gaceta sanitaria.
MLA
Berbel Hernández C, Morquecho Gil M, de La Puente Callejo J, Viña Simón M, Crespo Allue E, García Montero I, González Guillén M, Llorente Martínez M and Sanz López P. [Documented immunization coverage in second-year primary schoolchildren from the province of Valladolid]. : Gaceta sanitaria. 20020514.