later in the same year, she joined the faculty of the university of massachusetts medical school (umms), where she was a professor for six years before being granted tenure. the following year, she left for a position at harvard medical school with a lighter teaching workload and more research opportunities including her research on transforming growth factor- α and epidermal growth factor during fetal and neonatal development published in 1992 and 1993. there, she continued to establish her name in molecular biology, and in 1995 a television documentary called "dna detective" featured her work on insulin-related growth factors. the segment ran as part of a six-part pbs series on women in science, under the umbrella title "discovering women."