Certificates:exchange card, weapons license, sick-list, medical examination, outpatient's card, medical book, drivers medical board, certification for employment, study, doctor's note for swimming, medical examination for seafarers, help for race
Payment method:discount system, prepayment, cash, payment by card, electronic money, bank transfer, via sms, cash on delivery, cashless payment, online, QR code, Fast payment system
Medical specialists:psychiatrist, narcologist, psychologist