R. Crenshaw

Selection of representative Alternaria strain groups on the basis of morphology, enzyme profile, and allergen content.

J. Portnoy, R. Esch, C. Barnes, 1993, The Journal of allergy and clinical immunology.

Common allergenic pollens, fungi, animals, and arthropods

R. Esch, R. Jacobson, R. Crenshaw, 2001, Clinical reviews in allergy & immunology.

Considerations About Pollen Used for the Production of Allergen Extracts.

R. Lockey, R. Codina, R. Crenshaw, 2015, The journal of allergy and clinical immunology. In practice.