Update mp.md (#2796)

Adding publications

Author: sbello

ontology/mp.md

@@ -45,8 +45,12 @@ products:
   description: The main ontology plus axioms connecting to select external ontologies, excluding axioms from the the external ontologies themselves.
   page: https://github.com/mgijax/mammalian-phenotype-ontology/releases/tag/current
 publications:
+- id: https://www.ncbi.nlm.nih.gov/pubmed/40963406
+  title: Expanding and refining the Mammalian Phenotype Ontology to enhance disease model discovery
 - id: https://www.ncbi.nlm.nih.gov/pubmed/22961259
   title: The Mammalian Phenotype Ontology as a unifying standard for experimental and high-throughput phenotyping data
+- id: https://www.ncbi.nlm.nih.gov/pubmed/25825651
+  title: Expanding the mammalian phenotype ontology to support automated exchange of high throughput mouse phenotyping data generated by large-scale mouse knockout screens
 repository: https://github.com/mgijax/mammalian-phenotype-ontology
 taxon:
   id: NCBITaxon:40674