There are multiple definitions:

1. Rapp-Hodgkin syndrome(English)

   • a type of anhidrotic ectodermal dysplasia
   • Dermatology, Genetics
   • https://doi.org…doj.IDOJ_100_16
   • https://www.omi…rg/entry/129400

2. right hindlimb stimulation(English)

   • LH, LHS, RH
   • Electrophysiology, Neurology, Experimental animal, Spine (or spinal cord)
   • https://doi.org…nins.2017.00715
   • https://doi.org…673-5374.313017

3. Reactions to Homosexuality Scale(English)

   • EAHC, IH, SIHS
   • Sexuality, Scoring systems/scales
   • https://doi.org…99.2017.1380158

4. recovery high school(English)

   • CRC
   • Addiction and health, Preventive medicine
   • https://doi.org…4073/csr.2018.9