Nr 211 - International Congress of Allergology 1970. ; Nr 212 - Electrotherapeutic sleep and electro-anesthesia. 1970. ; Nr 213 - NUtrition.Proceedings of the Eighth International Congress Prague.1970.
Treść karty:
515,202 Nr 211 - International Congress of Allergology 1970. 507,127 507,822 Nr 212 - Electrotherapeutic sleep and electro-anesthesia. 1970. 514,820 Nr 213 - NUtrition.Proceedings of the Eighth International Congress Prague.1970.