Salk, Jonas E.; Youngner, J. S.; Ward, Elsie N. (1954-09-01). "Use of Color Change of Phenol Red as the Indicator in Titrating Poliomyelitis Virus or Its Antibody in a Tissue–Culture System". American Journal of Epidemiology. 60 (2): 214–230. doi:10.1093/oxfordjournals.aje.a119714. ISSN0002-9262. PMID13197372.
Preble, Olivia T.; Youngner, Julius S. (1975-04-01). "Temperature-Sensitive Viruses and the Etiology of Chronic and Inapparent Infections". Journal of Infectious Diseases. 131 (4): 467–473. doi:10.1093/infdis/131.4.467. ISSN0022-1899. PMID163873.
Yoshida, Tetsuya; Hamaguchi, Michinari; Naruse, Hiroshi; Nagai, Yoshiyuki (1982-07-30). "Persistent infection by a temperature-sensitive mutant isolated from a Sendai virus (HVJ) carrier culture: Its initiation and maintenance without aid of defective interfering particles". Virology. 120 (2): 329–339. doi:10.1016/0042-6822(82)90034-4. PMID6285606.
Chambers, T. M.; Holland, R. E.; Tudor, L. R.; Townsend, H. G.; Cook, A.; Bogdan, J.; Lunn, D. P.; Hussey, S.; Whitaker-Dowling, P. (2001-11-01). "A new modified live equine influenza virus vaccine: phenotypic stability, restricted spread and efficacy against heterologous virus challenge". Equine Veterinary Journal. 33 (7): 630–636. doi:10.2746/042516401776249291. ISSN0425-1644. PMID11770982.
Salk, Jonas E.; Youngner, J. S.; Ward, Elsie N. (1954-09-01). "Use of Color Change of Phenol Red as the Indicator in Titrating Poliomyelitis Virus or Its Antibody in a Tissue–Culture System". American Journal of Epidemiology. 60 (2): 214–230. doi:10.1093/oxfordjournals.aje.a119714. ISSN0002-9262. PMID13197372.
Preble, Olivia T.; Youngner, Julius S. (1975-04-01). "Temperature-Sensitive Viruses and the Etiology of Chronic and Inapparent Infections". Journal of Infectious Diseases. 131 (4): 467–473. doi:10.1093/infdis/131.4.467. ISSN0022-1899. PMID163873.
Yoshida, Tetsuya; Hamaguchi, Michinari; Naruse, Hiroshi; Nagai, Yoshiyuki (1982-07-30). "Persistent infection by a temperature-sensitive mutant isolated from a Sendai virus (HVJ) carrier culture: Its initiation and maintenance without aid of defective interfering particles". Virology. 120 (2): 329–339. doi:10.1016/0042-6822(82)90034-4. PMID6285606.
Chambers, T. M.; Holland, R. E.; Tudor, L. R.; Townsend, H. G.; Cook, A.; Bogdan, J.; Lunn, D. P.; Hussey, S.; Whitaker-Dowling, P. (2001-11-01). "A new modified live equine influenza virus vaccine: phenotypic stability, restricted spread and efficacy against heterologous virus challenge". Equine Veterinary Journal. 33 (7): 630–636. doi:10.2746/042516401776249291. ISSN0425-1644. PMID11770982.
Salk, Jonas E.; Youngner, J. S.; Ward, Elsie N. (1954-09-01). "Use of Color Change of Phenol Red as the Indicator in Titrating Poliomyelitis Virus or Its Antibody in a Tissue–Culture System". American Journal of Epidemiology. 60 (2): 214–230. doi:10.1093/oxfordjournals.aje.a119714. ISSN0002-9262. PMID13197372.
Preble, Olivia T.; Youngner, Julius S. (1975-04-01). "Temperature-Sensitive Viruses and the Etiology of Chronic and Inapparent Infections". Journal of Infectious Diseases. 131 (4): 467–473. doi:10.1093/infdis/131.4.467. ISSN0022-1899. PMID163873.
Chambers, T. M.; Holland, R. E.; Tudor, L. R.; Townsend, H. G.; Cook, A.; Bogdan, J.; Lunn, D. P.; Hussey, S.; Whitaker-Dowling, P. (2001-11-01). "A new modified live equine influenza virus vaccine: phenotypic stability, restricted spread and efficacy against heterologous virus challenge". Equine Veterinary Journal. 33 (7): 630–636. doi:10.2746/042516401776249291. ISSN0425-1644. PMID11770982.