[About the possibility of fallopian tubes patency evaluations by means of 99mTc-pertechnetate and comparison of radiation loads due to radioisotopic and x-ray examinations (author's transl)]. - Rýznar V; Heczko P; Husák V; Gazárek F; Wiedermann M; Erban J; Pohanka J (Ceskoslovenska gynekologie, 1981)