Reference
- Howie V. M., Ploussard J. H., Sloyer J. L. Immunization against recurrent otitis media. Ann Otol Rhinol Laryngol 1976; 85: 254, Suppl. 25
- Karma P., Luotonen J., Timonen M., Pöntynen S., Pukander J., Herva E., Grönroos P., Leinonen M., Sibakov M., Mäkelä P. H. Efficacy of pneumococcal vaccination against recurrent otitis media. Preliminary results of a field trial in Finland. Ann Otol Rhinol Laryngol 1980; 89: 357, Suppl. 68
- Mäkelä P. H., Sibakov M., Herva E., Henrichsen y., Luotonen I., Timonen M., Leinonen M., Koskela M., Pukander J., Pöntynen S., Grönroos P., Karma P. Pneumococcal vaccine and otitis media. Lancet 1980; ii: 547
- Klein J. O., Teele D. W., Sloyer J. L., Jr, Ploussard I. H., Howie V., Mákelá P. H., Karma P. Use of pneumococcal vaccine for prevention of recurrent episodes of otitis media. Seminars in Infect Dis 1981, in press