José Antonio Ortega

The Emergence of Lowest‐Low Fertility in Europe During the 1990s

Hans‐Peter Kohler, Francesco C. Billari, José Antonio Ortega · Population and Development Review · 2002 · 1.4K citations

Economics, Demographic Change, Fertility +13

Statistical Indentation Techniques for Hydrated Nanocomposites: Concrete, Bone, and Shale

Franz‐Josef Ulm, Matthieu Vandamme, Chris Bobko et al. · Journal of the American Ceramic Society · 2007 · 570 citations

Hydrated Nanocomposites, Engineering, Mechanical Engineering +20

Solute–solvent and solvent–solvent interactions in binary solvent mixtures. Part 1. A comparison of several preferential solvation models for describing E_T(30) polarity of bipolar hydrogen bond acceptor-cosolvent mixtures

Martı́ Rosés, Clara Ràfols, José Antonio Ortega et al. · Journal of the Chemical Society Perkin Transactions 2 · 1995 · 211 citations

Chemical Kinetics, Engineering, Organic Chemistry +16

L-Asparaginase, vincristine, and prednisone for induction of first remission in acute lymphocytic leukemia.

José Antonio Ortega, Mark E. Nesbit, Milton H. Donaldson et al. · PubMed · 1977 · 186 citations

Hematological Malignancy, First Remission, Medicine +11

Low fertility in Europe: causes implications and policy options.

Kohler Hp, Francesco C. Billari, José Antonio Ortega · 2006 · 172 citations

Fertility, Reproductive Health, Gynecology +17