ID 274800640 © Liliya623 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
sumatriptan migraines headache autoinjector injection nitrogen skeletal sulfur sulphur headaches migraine migreine pharmacology sumatriptane therapy triptan triptans vasoconstriction drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular vector paper packaging drug molecule serotonin receptor agonist used treat headache formula drugs