title: Painful HCG injections.
mesh_terms: D000328:Adult; D000368:Aged; D006063:Chorionic Gonadotropin / Q000009:adverse effects*; D006801:Humans; D007267:Injections / Q000009:adverse effects*; D008722:Methods; D008875:Middle Aged; D010146:Pain / Q000139:chemically induced*
chemical_list: D006063:Chorionic Gonadotropin