Dimitrov, B., Shangova-Grigoriadi, S., Grigoriadis, E. Cyclicity in variations of incidence rates for breast cancer in different countries. Plovdiv: 1998 66-71,.
Dimitrov, B., Shangova-Grigoriadi, S., Grigoriadis, E. Cyclicity in variations of incidence rates for breast cancer in different countries. Plovdiv: 1998 66-71,.
Dimitrov, B., Shangova-Grigoriadi, S., Grigoriadis, E. (1998) Cyclicity in variations of incidence rates for breast cancer in different countries, Plovdiv: 66-71,.
Dimitrov, B., Shangova-Grigoriadi, S., & Grigoriadis, E. (1998). Cyclicity in variations of incidence rates for breast cancer in different countries. Plovdiv: 66-71.
Dimitrov B, Shangova-Grigoriadi S, Grigoriadis E. Cyclicity in variations of incidence rates for breast cancer in different countries. Plovdiv: 1998. p. 66-71.