Douglas L. Armstrong

Pyrrole Syntheses Based on Titanium-Catalyzed Hydroamination of Diynes

Balasubramanian Ramanathan, Adam J. Keith, Douglas L. Armstrong et al. · Organic Letters · 2004 · 143 citations

Chemical Engineering, Engineering, Heterocyclic +12

Ability of thawed tiger ( <i>Panthera tigris</i> ) spermatozoa to fertilize conspecific eggs and bind and penetrate domestic cat eggs <i>in vitro</i>

Ann M. Donoghue, L. A. Johnston, U. S. Seal et al. · Reproduction · 1992 · 68 citations · Full text

Schimke immuno-osseous dysplasia: a clinicopathological correlation

J. Marietta Clewing, B. C Antalfy, Thomas Lücke et al. · Journal of Medical Genetics · 2006 · 67 citations · Full text

Efficacy of Porcine Gonadotropins for Repeated Stimulation of Ovarian Activity for Oocyte Retrieval and In Vitro Embryo Production and Cryopreservation in Siberian Tigers (Panthera tigris altaica)1

Elizabeth G. Crichton, Elliott Bedows, Amanda K. Lindholm‐Perry et al. · Biology of Reproduction · 2003 · 66 citations · Full text

Oocyte, Fertility, Reproductive Biology +17

Morbillivirus Infection in a Wild Siberian Tiger in the Russian Far East

Kathy S. Quigley, James F. Evermann, Charles W. Leathers et al. · Journal of Wildlife Diseases · 2010 · 51 citations · Full text

First Documented Case, Viral Diagnostics, Russian Far East +17