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:discounts on services preferential categories, discount system, prepayment, postpay, cash, payment by card, electronic money, bank transfer, via sms, cash on delivery, installment, cashless payment, online, QR code, Fast payment system
Medical specialists:psychotherapist, psychiatrist, narcologist