title: Effect of age and testosterone on calcium content and reactivity of guinea-pig vas deferens.
mesh_terms: D000367:Age Factors; D000818:Animals; D002118:Calcium / Q000378:metabolism*; D004305:Dose-Response Relationship, Drug; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D006207:Half-Life; D066298:In Vitro Techniques; D007700:Kinetics; D008297:Male; D009538:Nicotine / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D009929:Organ Size; D010879:Piperazines / Q000494:pharmacology; D011189:Potassium Chloride / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D013566:Sympathomimetics / Q000494:pharmacology; D013739:Testosterone / Q000494:pharmacology*; D013997:Time Factors; D014649:Vas Deferens / Q000378:metabolism* / Q000502:physiology
chemical_list: D010879:Piperazines; D000644:Quaternary Ammonium Compounds; D013566:Sympathomimetics; D013739:Testosterone; D011189:Potassium Chloride; D009538:Nicotine; D002118:Calcium; D009638:Norepinephrine; D004837:Epinephrine