唐纳德·赫尔姆奎斯特

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5 total works indexed

1. Upper Echelons: The Organization as a Reflection of Its Top Managers

   · 1984 · cited 33,709x

2. The MOS 36-ltem Short-Form Health Survey (SF-36)

   · 1992 · cited 28,849x

3. The M06 suite of density functionals for main group thermochemistry, thermochemical kinetics, noncovalent interactions, excited states, and transition elements: two new functionals and systematic testing of four M06-class functionals and 12 other functionals

   · 2007 · cited 28,535x

4. An Algorithm for Least-Squares Estimation of Nonlinear Parameters

   · 1963 · cited 24,308x

5. The central role of the propensity score in observational studies for causal effects

   · 1983 · cited 23,712x

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