HPBC - hyperpiesia
- hydroxyprogesterone caproate
- hydroxyproline
- hydroxyproline oxidase
- hydroxyprolinemia
- hydroxypropyl cellulose
- hydroxypropyl cellulose
- hydroxypropyl methylcellulose
- hydroxypropyl methylcellulose
- hydroxypropyl methylcellulose ophthalmic solution
- hydroxypyruvate
- hydroxysteroid
- hydroxystilbamidine isethionate
- hydroxytoluene
- hydroxytoluic acid
- hydroxytryptophan decarboxylase
- hydroxyurea
- hydroxyvaline
- hydroxyzine
- hydroxyzine hydrochloride
- hydroxyzine pamoate