TY - GEN AU - Berridge,M S AU - Landmeier,B J TI - In-target production of [13N]ammonia: target design, products, and operating parameters SN - 0969-8043 PY - 1994///0119 KW - Ammonia KW - Cyclotrons KW - Isotope Labeling KW - methods KW - Nitrogen Radioisotopes N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1016/0969-8043(93)90096-s ER -