Ключевые слова: additional, analysis, bank, buck, cash, check, clinic, container, cum, dna, doctor, dollars, donor, earn, earnings, ejaculate, ejaculation, fertility, hand, health, holding, income, infertility, insemination, jar, lab, laboratory, male, man, masturbation, medical, medicine, money, notes, pay, planning, profit, reproductive, research, sample, science, semen, side, sperm, test, treatment, tube,