TY - GEN AU - I Fries LA - eng PY - 1988 TI - Infectivity and multiplication of Nosema apis Z. in the ventriculus of the honey bee UR - https://www.apidologie.org/articles/apido/abs/1988/03/Apidologie_0044-8435_1988_19_3_ART0010/Apidologie_0044-8435_1988_19_3_ART0010.html ER -