Grabowski, H. G. (1991). The Changing Economics of Pharmaceutical Research and Development. In . Gelijns, Annetine C. & . Halm, Ethan A. (Eds.), The Changing Economics of Medical Technology (pp. 35–52). Washington, DC: National Academies Press.

Grabowski, H. G. “The Changing Economics of Pharmaceutical Research and Development.” In The Changing Economics of Medical Technology, edited by H. G. Gelijns, Annetine C. and H. G. Halm, Ethan A., 35–52. Washington, DC: National Academies Press, 1991.

Grabowski HG. The Changing Economics of Pharmaceutical Research and Development. In: Gelijns, Annetine C., Halm, Ethan A., editors. The Changing Economics of Medical Technology. Washington, DC: National Academies Press; 1991. p. 35–52.

Grabowski, H. G. “The Changing Economics of Pharmaceutical Research and Development.” The Changing Economics of Medical Technology, edited by H. G. Gelijns, Annetine C. and H. G. Halm, Ethan A., National Academies Press, 1991, pp. 35–52.

Grabowski HG. The Changing Economics of Pharmaceutical Research and Development. In: Gelijns, Annetine C., Halm, Ethan A., editors. The Changing Economics of Medical Technology. Washington, DC: National Academies Press; 1991. p. 35–52.