Measurement of insulin-like growth factor-I during military operational stress via a filter paper blood spot assay. - Nindl,B.C.; Kellogg,M.D.; Khosravi,M.J.; Diamandi,A.; Alemany,J.A.; Pietila,D.M.; Young,A.J.; Montain,S.J. (Diabetes Technol Ther, 2003)