Z. Kalvatchev

S. Slavov, Z. Kalvatchev, M. Shtereva, 2008, Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology.

Do human polyoma viruses and human immunodeficiency virus share common co‐receptors?

K. Borissov, R. Argirova, Z. Kalvatchev, 2010, Journal of medical virology.

Design and Evaluation of New Light-Upon-Extension (Lux) Real-Time PCR Primer System for Detection of Polyomavirus Hominis 2 (JC Virus) in Clinical Samples

V. Ignatova, D. Ferdinandov, Z. Kalvatchev, 2009 .

Application of Real-Time PCR Technlogies for Analysis of JCV as a Human Cancerogen

D. Stoyanova, D. Ferdinandov, Z. Kalvatchev, 2011 .

JC polyomavirus in the aetiology and pathophysiology of glial tumours

P. Simeonov, Y. Enchev, E. Encheva, 2015, Neurosurgical Review.

Let Sleeping Dogs Lie—Unleashing the Transforming Power of Dormant HPV

R. Petkova, Z. Kalvatchev, I. Tsekov, 2012 .

Identification of HPV DNA in patients with juvenile-onset recurrent respiratory papillomatosis using SYBR Green real-time PCR.

I. Todorov, Z. Kalvatchev, P. Draganov, 2006, International journal of pediatric otorhinolaryngology.

Research of the Genetic Diversity of TT Viruses in Bulgaria

K. Shishkova, S. Shishkov, Z. Kalvatchev, 2022, Proceedings of the Bulgarian Academy of Sciences.

KI Polyomavirus Sequenses in Respiratory Specimens from Bulgarian Children

Z. Kalvatchev, I. Tsekov, M. Kunchev, 2012 .

KI POLYOMAVIRUS SEQUENSES IN RESPIRATORY SPECIMENS FROM

Z. Kalvatchev, M. Kunchev, K. Mekouchinov, 2012 .

Possible role of bovine immunodeficiency virus in bovine paraplegic syndrome: evidence from immunochemical, virological and seroprevalence studies.

M. Gonda, R. Walder, G. Tobin, 1995, Research in virology.

Sequence variations of the VP1 gene of Polyomavirus hominis 1 among Bulgarians

S. Slavov, Z. Kalvatchev, I. Tsekov, 2010, Journal of medical virology.

Human Papilloma Viruses: Realities and Perspectives

F. Rösl, Z. Kalvatchev, F. Rösl, 2007 .

Biotechnologies in the Treatment of Degenerative Disc Disease of the Cervical Spine

D. Ferdinandov, Z. Kalvatchev, I. Tsekov, 2012 .

Severe Acute Respiratory Syndrome: Current Concepts

Z. Kalvatchev, P. Teoharov, R. Koceva, 2003 .

Single-Strand Conformation Polymorphism (SSCP) Analysis: A Rapid and Sensitive Method for Detection of Genetic Diversity Among Virus Population

Z. Kalvatchev, P. Draganov, 2005 .

Detection of genetic diversity among bovine immunodeficiency virus population by single-strand conformation polymorphism analysis.

R. Walder, Z. Kalvatchev, D. Garzaro, 2000, Viral immunology.

Efficacy and safety of Aviron Rapid® in 18-60-year-old patients with clinical diagnosis of acute respiratory viral infection: a multicenter, randomized, double-blind, placebo-controlled clinical trial.

A. Tchorbanov, Z. Kalvatchev, G. Popov, 2021, Folia medica.

Human Papilloma Viruses: Realities and Perspectives

Z. Kalvatchev, F. Rösl, 2007 .

Identification of Multiple Human Papillomavirus (HPV) Genotypes in a Patient with Oral Condylomata Acuminata

G. Mateev, Z. Kalvatchev, P. Draganov, 2006 .