PT - JOURNAL ARTICLE AU - Michael J. Welch TI - Research in the Development of PET Radiopharmaceuticals DP - 1991 Apr 01 TA - Journal of Nuclear Medicine PG - 44N--54N VI - 32 IP - 4 4099 - http://jnm.snmjournals.org/content/32/4/44N.short 4100 - http://jnm.snmjournals.org/content/32/4/44N.full SO - J Nucl Med1991 Apr 01; 32